Mars’ Two-Faces and Moons Could Result from an Early Cataclysmic Impact
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Mars’ Two-Faces and Moons Could Result from an Early Cataclysmic Impact

Mars experienced a single colossal impact during its first 130 million years, the equivalent to the largest body in the today’s asteroid belt slamming into the red planet.…

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Uranus Has ‘Switch-Like’ Magnetosphere
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Uranus Has ‘Switch-Like’ Magnetosphere

A new study published in the Journal of Geophysical Research: Space Physics suggests that the magnetosphere of the ice giant Uranus gets flipped on and off like a…

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Research Reveals How Changes in Rainfall Shaped Early Mars
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Research Reveals How Changes in Rainfall Shaped Early Mars

Heavy rain on Mars reshaped impact craters and carved out river-like channels in the planet’s surface billions of years ago, according to a study by geologists from the…

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New NASA Video Shows Dwarf Planet Ceres at Opposition from Sun
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New NASA Video Shows Dwarf Planet Ceres at Opposition from Sun

This video is made of images taken by NASA’s Dawn spacecraft, from a position exactly between the Sun and the surface of Ceres. Dawn successfully observed the dwarf…

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New Study Blames Humans for Disruptive Space Weather Events
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New Study Blames Humans for Disruptive Space Weather Events

Humans have long been shaping Earth’s landscape, but now scientists know we can shape the near-Earth environment as well. Image credit: NASA’s Goddard Space Flight Center / Genna…

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Planetary Researchers Shed New Light on Origins of Titan’s Topographic Relief
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Planetary Researchers Shed New Light on Origins of Titan’s Topographic Relief

Saturn’s hazy moon Titan, Earth and Mars have all hosted rivers at some point in their histories. Planetary researchers from the City University of New York (CUNY) and…

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NASA’s Juno Spacecraft Completes Sixth Jupiter Flyby
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NASA’s Juno Spacecraft Completes Sixth Jupiter Flyby

NASA’s Juno spacecraft successfully made its sixth close flyby of Jupiter on Friday, May 19, 2017, at 2 a.m. EDT (6 a.m. UTC; 11 p.m. PDT on May…

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Comets Contributed to Earth’s Atmosphere, Says New Study
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Comets Contributed to Earth’s Atmosphere, Says New Study

According to new research, some of Earth’s atmosphere was brought to the planet by comets billions of years ago. This artwork shows a rocky planet being bombarded by…

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Radioactive Decay Could Support Life on Solar System’s Ocean Worlds
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Radioactive Decay Could Support Life on Solar System’s Ocean Worlds

A new study published in the Astrophysical Journal Letters examines whether radioactive decay could support life on ocean worlds like Jupiter’s moon Europa. This artist’s concept shows a…

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NASA’s Juno Mission Delivers Preliminary Science Results
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NASA’s Juno Mission Delivers Preliminary Science Results

NASA’s Juno mission is rewriting what planetary researchers thought they knew about Jupiter, the largest and most massive planet in our Solar System: the latest science results from…

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NASA’s Cassini Orbiter Watches as Saturn’s Solstice Arrives
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NASA’s Cassini Orbiter Watches as Saturn’s Solstice Arrives

Saturn’s solstice — the longest day of summer in the northern hemisphere and the shortest day of winter in the southern hemisphere — arrived this month for the…

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High-Silica ‘Halos’ Found in Gale Crater Shed Light on Wet Ancient Mars
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High-Silica ‘Halos’ Found in Gale Crater Shed Light on Wet Ancient Mars

Fracture-associated ‘halos’ of lighter-toned bedrock have been found on the lower north slope of Aeolis Mons (Mount Sharp) in Gale crater, Mars, indicating that the Red Planet had…

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NASA’s Lunar Reconnaissance Orbiter Finds New Evidence of Surface Water Ice on Moon
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NASA’s Lunar Reconnaissance Orbiter Finds New Evidence of Surface Water Ice on Moon

Researchers analyzing data from NASA’s Lunar Reconnaissance Orbiter (LRO) have found evidence of surface frost near the Moon’s south pole. A view of the Moon’s south pole showing…

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Enceladus May Have Tipped Over in Distant Past
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Enceladus May Have Tipped Over in Distant Past

While combing through data gathered by NASA’s Cassini spacecraft during flybys of Enceladus, the sixth-largest of Saturn’s moons, researchers have found the first evidence that the frozen moon’s…

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Could Pluto’s Orbital Wobbles Create Its Mysterious Glacial Crazy-Paving?
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Could Pluto’s Orbital Wobbles Create Its Mysterious Glacial Crazy-Paving?

Strange fields of polygons seen during New Horizons’ visit to Pluto could be explained by million year variations in the dwarf planet’s orbit caused by its ice giant…

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NASA’s Mars Reconnaissance Orbiter Views Curiosity Climbing Mount Sharp
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NASA’s Mars Reconnaissance Orbiter Views Curiosity Climbing Mount Sharp

Using the High Resolution Imaging Science Experiment (HiRISE) camera — the most powerful camera ever to orbit another planet, NASA’s Mars Reconnaissance Orbiter caught a view of the…

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Cassini Beams Back New Image of Saturn’s Moon Iapetus
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Cassini Beams Back New Image of Saturn’s Moon Iapetus

A new image of Saturn’s yin-yang moon, Iapetus, was recently captured by NASA’s Cassini probe, currently in its ‘Grand Finale’ phase. This image of Iapetus was taken with…

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Jupiter is Solar System’s Oldest Planet, Planetary Researchers Say
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Jupiter is Solar System’s Oldest Planet, Planetary Researchers Say

The gas giant Jupiter is not only the most massive planet in our Solar System, but it’s also the oldest, according to an international team of planetary researchers…

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Elon Musk’s Vision of Self-Sustaining Martian City, Manned Flights to Mars, Other Planets
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Elon Musk’s Vision of Self-Sustaining Martian City, Manned Flights to Mars, Other Planets

An article entitled ‘Making Humans a Multi-Planetary Species’ presents the vision of Elon Musk, CEO of SpaceX, for future manned trips to Mars and other planets in the…

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Cassini Sees Methane Clouds in Titan’s Summer Skies
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Cassini Sees Methane Clouds in Titan’s Summer Skies

On June 9, 2017, NASA’s Cassini orbiter captured an image of methane clouds drifting in the summer skies of Saturn’s moon Titan. Titan’s summer skies. Image credit: NASA…

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NASA’s MAVEN Mission Celebrates 1,000 Earth Days in Orbit around Mars
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NASA’s MAVEN Mission Celebrates 1,000 Earth Days in Orbit around Mars

Today, NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) mission — sent to Mars to explore its upper atmosphere, ionosphere and interactions with the Sun and solar wind —…

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NASA Researchers Complete Study of Potential Future Mission to Uranus and Neptune Systems
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NASA Researchers Complete Study of Potential Future Mission to Uranus and Neptune Systems

A study of the potential future mission to ‘ice giant’ planets Uranus and Neptune and their moons has been released — the first in a series of mission…

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Juno Completes Its Fourth Flyby of Jupiter
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Juno Completes Its Fourth Flyby of Jupiter

NASA’s Juno spacecraft successfully completed a close flyby of Jupiter on February 2, 2017. Cyclones swirl around the south pole, and white oval storms can be seen near…

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Rare Martian Meteorite Provides Clues to Red Planet’s Evolution
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Rare Martian Meteorite Provides Clues to Red Planet’s Evolution

Northwest Africa (NWA) 7635 — a Martian meteorite found in Algeria in 2012 — has given planetary researchers information about volcanic activity on the Red Planet, and it’s…

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Ceres May Have Vanishing Cryovolcanoes
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Ceres May Have Vanishing Cryovolcanoes

Ahuna Mons, a 2.5-mile- (4 km) tall mountain on Ceres interpreted as a geologically young cryovolcano, may have some hidden older siblings, according to a team of planetary…

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Saturn’s Main Rings Up Close
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Saturn’s Main Rings Up Close

NASA’s Cassini spacecraft took these stunning photos of Saturn’s rings on December 18, 2016, while it was performing one of its ‘ring-grazing’ orbits. This Cassini image features a…

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Juno Sees Massive Storm on Jupiter
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Juno Sees Massive Storm on Jupiter

NASA’s Juno spacecraft has spotted a huge anticyclonic storm in Jupiter’s high north temperate latitudes. Juno snapped this shot of Jupiter’s northern latitudes on Dec. 11, 2016, as…

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Methane Gas May Have Caused Greenhouse Effect on Young Mars, Planetary Researchers Say
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Methane Gas May Have Caused Greenhouse Effect on Young Mars, Planetary Researchers Say

Methane present in the early Martian atmosphere, together with carbon dioxide and hydrogen may have created a greenhouse effect on the planet 3.5-4.5 billion years ago, according to…

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Study: Today’s Rare Meteorites Were Common in Ordovician Period
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Study: Today’s Rare Meteorites Were Common in Ordovician Period

A new study published in the journal Nature Astronomy is the first to look at meteorites from before giant space collision 466 million years ago. This is an…

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NOAA’s GOES-16 Weather Satellite Captures Its First Images of Earth
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NOAA’s GOES-16 Weather Satellite Captures Its First Images of Earth

NOAA’s GOES-16 (formerly known as GOES-R), the first spacecraft in a new series of NASA-built advanced geostationary weather satellites, has sent the first high-resolution images from its Advanced…

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Cassini’s New Breathtaking Image of Tethys
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Cassini’s New Breathtaking Image of Tethys

NASA’s Cassini spacecraft has sent back a breathtaking image of Tethys, a small, icy moon of Saturn. Cassini’s narrow-angle camera took this image of Tethys on November 10,…

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NASA’s SOFIA Observatory Collects New Data on Composition of Dwarf Planet Ceres
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NASA’s SOFIA Observatory Collects New Data on Composition of Dwarf Planet Ceres

New observations from NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA) show that Ceres does not appear to have the carbon-rich surface composition that space- and ground-based telescopes previously…

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Cassini Provides New View of Saturn’s Wave-Making Moon Daphnis
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Cassini Provides New View of Saturn’s Wave-Making Moon Daphnis

A new image from NASA’s Cassini spacecraft shows Saturn’s small moon Daphnis and the waves it raises in the surrounding ring material. This image was obtained in visible…

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Cassini Provides New View of Saturn’s Wave-Making Moon Daphnis
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Cassini Provides New View of Saturn’s Wave-Making Moon Daphnis

A new image from NASA’s Cassini spacecraft shows Saturn’s small moon Daphnis and the waves it raises in the surrounding ring material. This image was obtained in visible…

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Curiosity Finds Possible Signs of Ancient Drying on Mars
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Curiosity Finds Possible Signs of Ancient Drying on Mars

A grid of small polygons spotted by NASA’s Curiosity Mars rover may have originated as cracks in drying mud more than 3 billion years ago, according to the…

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Cassini Captures Breathtaking View of Saturn’s Moon Mimas
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Cassini Captures Breathtaking View of Saturn’s Moon Mimas

This image of Saturn’s seventh largest moon, Mimas, was photographed when NASA’s Cassini spacecraft was approximately 115,000 miles (185,000 km) away. NASA’s Cassini spacecraft obtained this image of…

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Have We Seen Evidence of Titan’s Catastrophic Methane Downpours?
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Have We Seen Evidence of Titan’s Catastrophic Methane Downpours?

Attempts to investigate the origin of giant wedge-shaped sedimentary structures on Saturn’s moon Titan using analogues in Death Valley, California has thrown up new questions about the surface…

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New Horizons Spots Penitentes in Pluto’s Tartarus Dorsa Region
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New Horizons Spots Penitentes in Pluto’s Tartarus Dorsa Region

Planetary researchers using data from NASA’s New Horizons mission have found evidence of snow and ice features on the dwarf planet Pluto that, until now, had only been…

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Dawn Finds New Evidence for Water Ice on Ceres
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Dawn Finds New Evidence for Water Ice on Ceres

Images from NASA’s Dawn probe have revealed a dark, cratered world whose brightest area is made of reflective salts — not water ice. But several new studies show distinct…

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More Evidence for Warm, Wet Early Mars
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More Evidence for Warm, Wet Early Mars

A study published in the Journal of Geophysical Research: Planets provides new evidence for a warm early Mars that hosted water across a geologically long timescale, rather than…

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Cassini Closes in on Saturn’s Moon Pandora
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Cassini Closes in on Saturn’s Moon Pandora

This image from NASA’s Cassini robotic orbiter is one of the highest-resolution views ever taken of Pandora, Saturn’s F ring shepherd moon. This is one of Cassini’s closest…

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Fly over Ceres’ Colossal Crater and Bright Spots in Incredible Video
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Fly over Ceres’ Colossal Crater and Bright Spots in Incredible Video

Researchers from the Institute of Planetary Research at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt, or DLR) have produced a dramatic 3D animation that simulates…

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Teasing Out the Secrets beneath Jupiter’s Cloud Tops
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Teasing Out the Secrets beneath Jupiter’s Cloud Tops

As NASA’s Juno probe makes its closest flyby of the gas giant, new research from France’s space agency could help make more sense of the data it sends…

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NASA’s Curiosity Rover Finds Boron on Martian Surface
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NASA’s Curiosity Rover Finds Boron on Martian Surface

Boron, a metalloid chemical element with properties intermediate between those of carbon and aluminum, has been identified for the first time on the Martian surface, indicating the potential…

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Juno Completes Its Third Jupiter Flyby
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Juno Completes Its Third Jupiter Flyby

On Dec. 11, 2016, NASA’s Juno spacecraft successfully completed its third flyby over Jupiter’s mysterious cloud tops. Jupiter’s ‘pearl.’ Image credit: NASA / JPL-Caltech / SwRI / MSSS.…

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ExoMars Trace Gas Orbiter Snaps Color Image of Phobos
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ExoMars Trace Gas Orbiter Snaps Color Image of Phobos

ESA’s ExoMars Trace Gas Orbiter (TGO) has sent back its first color image of Phobos, the larger and inner of the two natural satellites of Mars. Color composite…

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Cassini Beams Back Spectacular Images from Its First ‘Ring-Grazing’ Orbit
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Cassini Beams Back Spectacular Images from Its First ‘Ring-Grazing’ Orbit

NASA’s Cassini orbiter has beamed back its first photos of the gas giant Saturn and the planet’s major moons since beginning the so-called ‘ring-grazing’ phase, the latest phase…

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Saturn’s Moons May Be Younger than Previously Thought
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Saturn’s Moons May Be Younger than Previously Thought

New data from NASA’s Cassini spacecraft reveal that Saturn’s moons may be younger than previously thought. A giant of a moon appears before a giant of a planet…

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NASA’s Cassini Orbiter Makes Its First ‘Ring-Grazing’ Dive
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NASA’s Cassini Orbiter Makes Its First ‘Ring-Grazing’ Dive

On Dec. 4, 2016 at 8:09 a.m. EST (5:09 a.m. PST), NASA’s Cassini spacecraft made its first close dive past the outer edges of Saturn’s rings. This graphic…

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NASA’s TIMED Satellite Finds Hot Atomic Hydrogen in Earth’s Thermosphere
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NASA’s TIMED Satellite Finds Hot Atomic Hydrogen in Earth’s Thermosphere

Using data from NASA’s TIMED satellite, scientists have discovered the existence of hot atomic hydrogen atoms in the thermosphere (from about 56 to 311 miles, or 90-500 km,…

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NASA’s Cassini Spacecraft Prepares for Ring-Grazing Phase
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NASA’s Cassini Spacecraft Prepares for Ring-Grazing Phase

In the final year of its epic voyage, on Nov. 30, NASA’s Cassini orbiter will begin a daring set of ‘ring-grazing orbits,’ skimming past the outside edge of…

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Dawn Snaps New Images of Ceres’ Occator Crater
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Dawn Snaps New Images of Ceres’ Occator Crater

NASA’s Dawn spacecraft has captured another series of photos in its fifth orbit of the dwarf planet Ceres. This image of the limb of Ceres shows a section…

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Schiaparelli Crash Caused by Sensor Malfunction, ESA Experts Say
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Schiaparelli Crash Caused by Sensor Malfunction, ESA Experts Say

The crash of the ExoMars Schiaparelli test lander, also known as Entry, descent, and landing Demonstrator Module (EDM), last month was caused by a sensor malfunction, experts at…

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NASA’s Mars Reconnaissance Orbiter Finds Subsurface Water Ice in Utopia Planitia
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NASA’s Mars Reconnaissance Orbiter Finds Subsurface Water Ice in Utopia Planitia

Frozen beneath Utopia Planitia, a large plain on Mars, lies about as much water as what’s in Lake Superior, according to an international team of planetary researchers. This…

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Ice-Quake Echoes Could Lift Lid on Oceans within Pluto and Europa
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Ice-Quake Echoes Could Lift Lid on Oceans within Pluto and Europa

Measuring outer solar system ice-quakes could identify if Europa’s subsurface ocean is an oxygen-rich, leading candidates for life, or uncover the origin of Enceladus’ giant water plumes, says…

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ExoMars-2016 Mission Approaches Red Planet
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ExoMars-2016 Mission Approaches Red Planet

Artist’s impression visualizing the ExoMars 2016 Trace Gas Orbiter, with its thrusters firing, beginning its entry into Mars orbit on October 19, 2016. Image credit: ESA / ATG…

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Researchers Predict Possible Birthplace of Comet 67P/Churyumov-Gerasimenko
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Researchers Predict Possible Birthplace of Comet 67P/Churyumov-Gerasimenko

Using statistical analysis and computing, a duo of researchers at Western University in Canada has charted a path that likely pinpoints the origins of 67P/Churyumov-Gerasimenko, the target comet…

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MAVEN Ultraviolet Images Reveal Hidden Secrets of Mars
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MAVEN Ultraviolet Images Reveal Hidden Secrets of Mars

New images from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft show the ultraviolet glow from the Red Planet’s atmosphere in detail, revealing dynamic, previously invisible behavior. They…

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Scientists Determine Color of Kuiper Belt Objects JR1 and MU69
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Scientists Determine Color of Kuiper Belt Objects JR1 and MU69

According to a team of researchers led by Southwest Research Institute scientist Simon Porter, Kuiper belt objects (KBO) JR1 and MU69 are as red as, if not redder…

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ExoMars 2016 Arrival and Landing: Watch Live
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ExoMars 2016 Arrival and Landing: Watch Live

Artist’s impression depicting the separation of the Schiaparelli module from the Trace Gas Orbiter, and heading for Mars. Image credit: D. Ducros / ESA. ESA’s ExoMars Trace Gas…

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ExoMars TGO Successfully Enters Mars Orbit, Schiaparelli Situation under Assessment
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ExoMars TGO Successfully Enters Mars Orbit, Schiaparelli Situation under Assessment

ESA’s ExoMars Trace Gas Orbiter (TGO) has entered an elliptical orbit around Mars, while contact has not yet been confirmed with the Schiaparelli lander. ESA’s ExoMars Trace Gas…

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NASA Finds Schiaparelli’s Crash Site
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NASA Finds Schiaparelli’s Crash Site

A new image from NASA’s Mars Reconnaissance Orbiter (MRO) shows a bright spot that may be a parachute of ESA’s ExoMars Schiaparelli module, and a larger dark spot…

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New Secrets Revealed about Ancient Mars from ‘Black Beauty’ Meteorite
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New Secrets Revealed about Ancient Mars from ‘Black Beauty’ Meteorite

New analysis of the most famous Martian meteorite ever recovered has changed our understanding of the early volcanic history and evolution of the Red Planet. The findings continue…

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Mars Reconnaissance Orbiter Takes Closer Look at Schiaparelli Crash Site
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Mars Reconnaissance Orbiter Takes Closer Look at Schiaparelli Crash Site

An image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter (MRO) reveals further details of the area where ESA’s ExoMars Schiaparelli test…

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Long-Duration Spaceflight Affects Spinal Muscles of Astronauts, New Study Shows
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Long-Duration Spaceflight Affects Spinal Muscles of Astronauts, New Study Shows

Long-flight astronauts have atrophy of the muscles supporting the spine — and they don’t return to normal even after several weeks back on Earth, a NASA study shows.…

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Saturn’s Rings Could Have Formed when Dinosaurs Walked the Earth
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Saturn’s Rings Could Have Formed when Dinosaurs Walked the Earth

Saturn’s rings are billions of years younger than we thought, say Cornell University researchers analyzing an almost forgotten set of data, collected 10 years ago by NASA’s Cassini…

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Novel Theory Explains Moon’s Weird Orbit
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Novel Theory Explains Moon’s Weird Orbit

Earth’s Moon is among the strangest planetary bodies in our Solar System. Its orbit lies unusually far away from our planet, with a surprisingly large orbital tilt. And…

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Curiosity Finds Odd-Looking Iron-Nickel Meteorite on Mars
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Curiosity Finds Odd-Looking Iron-Nickel Meteorite on Mars

A small globular object found by NASA’s Curiosity rover at the Murray Formation of lower Mount Sharp on Mars has been identified as an iron-nickel meteorite. The smooth-surfaced…

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New HiRISE Image Shows Schiaparelli Crash Site in Color
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New HiRISE Image Shows Schiaparelli Crash Site in Color

The latest image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter shows parts of ESA’s ExoMars Schiaparelli lander and its crash site…

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Concentrically-Fractured Depression on Mars Could Be Place to Look for Signs of Microbial Life
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Concentrically-Fractured Depression on Mars Could Be Place to Look for Signs of Microbial Life

An unusual depression in the northern Hellas basin on Mars could be a new place to look for life on the planet, says a team of planetary researchers.…

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Saturn’s North Polar Region Revealed
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Saturn’s North Polar Region Revealed

New near-infrared images of Saturn from NASA’s Cassini spacecraft show the northern polar region including the hexagon and polar vortex. The north polar region of Saturn is pictured…

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New Horizons Data Suggest Viscous Ocean Lies beneath Pluto’s Heart-Shaped Region
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New Horizons Data Suggest Viscous Ocean Lies beneath Pluto’s Heart-Shaped Region

A cold, slushy ocean lying deep beneath Pluto’s bright, heart-shaped Tombaugh Regio is the best explanation for features revealed by NASA’s New Horizons probe, according to new research.…

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Planetary Researchers Spot ‘Great Valley’ on Mercury
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Planetary Researchers Spot ‘Great Valley’ on Mercury

Using images from NASA’s MErcury Surface, Space ENvironment, GEochemistry and Ranging (MESSENGER) spacecraft, planetary researchers have discovered a broad valley in the southern hemisphere of the planet Mercury.…

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Deep Space Travel Poses Unique Threat to Astronauts, Researchers Say
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Deep Space Travel Poses Unique Threat to Astronauts, Researchers Say

Exposure to highly energetic charged particles can lead to a range of potential central nervous system complications that can occur during and persist long after space travel, says…

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New Light Sail Proposed to Ride a Laser Beam to the Stars
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New Light Sail Proposed to Ride a Laser Beam to the Stars

A laser beam-riding sail in the shape of a giant trapped ping pong ball could carry the first manmade object across interstellar space towards the recently-discovered Earth-like exoplanet…

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Global-Scale Dust Storm Could Hit Mars within Months, Warn NASA Researchers
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Global-Scale Dust Storm Could Hit Mars within Months, Warn NASA Researchers

A global-scale dust storm could envelop the Red Planet within the next few months, according to planetary researchers at NASA’s Jet Propulsion Laboratory (JPL). Two 2001 images from…

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NASA’s MAVEN Probe Celebrates One Martian Year in Orbit around the Red Planet
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NASA’s MAVEN Probe Celebrates One Martian Year in Orbit around the Red Planet

NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft, sent to Mars to explore its upper atmosphere, ionosphere and interactions with the Sun and solar wind, has completed one…

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Curiosity Takes Close Look at Interactions between Mars’ Crust and Atmosphere
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Curiosity Takes Close Look at Interactions between Mars’ Crust and Atmosphere

Curiosity has found evidence that chemistry in the Martian surface material contributed dynamically to the makeup of the planet’s atmosphere over time. This image from Curiosity’s Mast Camera…

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Curiosity Takes Close Look at Interactions between Mars’ Crust and Atmosphere
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Curiosity Takes Close Look at Interactions between Mars’ Crust and Atmosphere

Curiosity has found evidence that chemistry in the Martian surface material contributed dynamically to the makeup of the planet’s atmosphere over time. This image from Curiosity’s Mast Camera…

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Farewell, Rosetta! ESA’s Spacecraft Crashes into Comet
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Farewell, Rosetta! ESA’s Spacecraft Crashes into Comet

ESA’s Rosetta mission has concluded as planned, with the controlled impact onto Comet 67P/Churyumov-Gerasimenko. An artist’s impression of Rosetta approaching the nucleus of Comet 67P/Churyumov-Gerasimenko. Image credit: ESA…

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ESA’s Rosetta Orbiter to Crash Land into Comet: Watch Live
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ESA’s Rosetta Orbiter to Crash Land into Comet: Watch Live

Rosetta orbiting Comet 67P/Churyumov-Gerasimenko. Image credit: ESA / AOES Medialab. ESA’s Rosetta spacecraft is set to complete its mission in a controlled descent to the surface of Comet…

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ESA’s Rosetta Orbiter to Crash Land into Comet
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ESA’s Rosetta Orbiter to Crash Land into Comet

Rosetta orbiting Comet 67P/Churyumov-Gerasimenko. Image credit: ESA / AOES Medialab. ESA’s Rosetta spacecraft is set to complete its mission in a controlled descent to the surface of Comet…

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Marsquakes Could Support Life Deep within the Red Planet
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Marsquakes Could Support Life Deep within the Red Planet

The combination of seismic activity and water locked away at depth within Mars could be releasing sufficient hydrogen gas to support communities of microorganisms, says a team of…

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OSIRIS-REx Sends Back First Images, Checks Its Instruments
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OSIRIS-REx Sends Back First Images, Checks Its Instruments

NASA’s Origins, Spectral Interpretation, Resource Identification, Security – Regolith Explorer (OSIRIS-REx) and its instruments remain healthy and the spacecraft is on track for its two-year journey to the…

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Mercury is Tectonically Active Planet, Planetary Scientists Say
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Mercury is Tectonically Active Planet, Planetary Scientists Say

Recent images from NASA’s MESSENGER spacecraft reveal small fault scarps on Mercury’s surface. These cliff-like landforms are small enough that planetary scientists believe they must be geologically young,…

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Hubble Space Telescope Directly Images Possible Water Plumes on Europa
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Hubble Space Telescope Directly Images Possible Water Plumes on Europa

The NASA/ESA Hubble Space Telescope has imaged what may be water vapor plumes erupting off the surface of Europa, the sixth-closest moon of Jupiter and the smallest of…

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Cassini Spots Exotic Ice Cloud in Titan’s Stratosphere
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Cassini Spots Exotic Ice Cloud in Titan’s Stratosphere

Cassini mission scientists think the appearance of a cloud of dicyanoacetylene ice in Titan’s stratosphere is explained by ‘solid-state’ chemistry taking place inside ice particles. This Cassini image…

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Cassini Snaps Stunning New Images of Saturn
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Cassini Snaps Stunning New Images of Saturn

The latest images from NASA’s Cassini spacecraft show the northern hemisphere of Solar System’s second-largest planet, as that part of the gas giant nears its summer solstice in…

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Mars Had Lakes, Snowmelt-Fed Streams More Recently than Thought
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Mars Had Lakes, Snowmelt-Fed Streams More Recently than Thought

ESA’s Mars Express, NASA’s Mars Reconnaissance Orbiter and Mars Global Surveyor have sent back new images and data from the Red Planet that indicate liquid water may have…

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Researchers Discover Why Charon’s North Polar Cap is Red
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Researchers Discover Why Charon’s North Polar Cap is Red

Scientists on NASA’s New Horizons mission have learned that reddish material in the north polar region of Pluto’s biggest moon, Charon, is chemically processed methane that escaped from…

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Curiosity Finds Spectacular Rock Formations on Mars
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Curiosity Finds Spectacular Rock Formations on Mars

A set of new photos taken by NASA’s Curiosity Mars rover reveals signs of past geologic activity. This view from Curiosity’s Mast Camera shows a sloping hillside within…

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Moon is Proto-Earth’s Mantle, Researchers Say
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Moon is Proto-Earth’s Mantle, Researchers Say

Measurements of potassium in lunar and terrestrial rocks have disproved the leading hypotheses for the origin of Earth’s sole natural satellite. Moon. Image credit: Gregory H. Revera /…

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Rosetta Finds Solid Organic Matter in Dust Particles from 67P/Churyumov-Gerasimenko
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Rosetta Finds Solid Organic Matter in Dust Particles from 67P/Churyumov-Gerasimenko

ESA’s Rosetta orbiter has made the first unambiguous detection of solid organic matter in dust grains ejected by comet 67P/Churyumov-Gerasimenko. This false-color four-image mosaic comprises images taken from…

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NASA Launching Probe to Asteroid Bennu: Watch Live
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NASA Launching Probe to Asteroid Bennu: Watch Live

An artist concept of the OSIRIS-REx spacecraft. Image credit: NASA / Goddard. NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-Rex) is scheduled to blast off from Cape…

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OSIRIS-REx Begins Its Journey to Asteroid Bennu
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OSIRIS-REx Begins Its Journey to Asteroid Bennu

NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft blasted-off at 7:05 p.m. EDT Thursday from Cape Canaveral Air Force Station in Florida. OSIRIS-REx, the third mission…

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Experts Debate Our Duty and Ability to Spread Life around the Cosmos
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Experts Debate Our Duty and Ability to Spread Life around the Cosmos

The technology to ‘seed’ planets well beyond our solar system with basic life forms, skipping billions of years of evolution on Earth and spreading the potential for complex…

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NASA’s Juno Orbiter Reaches Apojove
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NASA’s Juno Orbiter Reaches Apojove

Almost a month after slipping into orbit around the Solar System’s largest planet, NASA’s Juno spacecraft is nearing a turning point. Juno. Image credit: NASA / JPL. Today,…

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NASA Releases New Image of Saturn’s Moon Rhea
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NASA Releases New Image of Saturn’s Moon Rhea

NASA has shared a stunning new image of Rhea, the second largest moon of the gas giant Saturn. Water ice on Rhea’s surface makes it bright in full…

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Dawn Orbiter Provides Clues to Internal Structure of Dwarf Planet Ceres
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Dawn Orbiter Provides Clues to Internal Structure of Dwarf Planet Ceres

Using data from NASA’s Dawn spacecraft about Ceres’ gravity and topography, mission scientists have found that the dwarf planet is ‘differentiated,’ which means that it has compositionally distinct…

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Widespread Volcanism on Planet Mercury Ended by 3.5 Billion Years Ago
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Widespread Volcanism on Planet Mercury Ended by 3.5 Billion Years Ago

According to new research published in the journal Geophysical Research Letters, the main phase of volcanism on Mercury ended by 3.5 billion years ago, with only small-scale volcanism…

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