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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