Browse Archive
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NASA Refines Asteroid Apophis' Path Toward Earth
Using updated information, NASA scientists have recalculated the path of a large asteroid. The refined path indicates a significantly reduced likelihood of a hazardous encounter with Earth in 2036.
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New Set of High-Resolution Mars Images Online
Thousands of image products from 233 recent telescopic observations by NASA's Mars Reconnaissance Orbiter show a diversity of surface shapes and textures on Mars.
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Squyres Wins Carl Sagan Medal for Public Outreach
The principal investigator of the Mars Exploration Rovers is honored for excellence in communicating the mission to the public.
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Cosmic Rays Hit Space Age High
Planning a trip to Mars? Take plenty of shielding. According to sensors on NASA's ACE (Advanced Composition Explorer) spacecraft, galactic cosmic rays have just hit a Space Age high.
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MRO Sees Ice on Mars Exposed by Meteor Impacts
NASA's Mars Reconnaissance Orbiter has revealed frozen water hiding just below the surface of mid-latitude Mars.
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Radar Map of Buried Mars Layers Matches Climate Cycles
New, three-dimensional imaging of Martian north-polar ice layers by a radar instrument on NASA's Mars Reconnaissance Orbiter is consistent with theoretical models of Martian climate swings during the past few million years.
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Cassini Reveals New Ring Quirks, Shadows
NASA scientists are marveling over the extent of ruffles and dust clouds revealed in the rings of Saturn during the planet's equinox last month.
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EVE: Measuring the Sun's Hidden Variability
To monitor energetic solar photons, NASA is going to launch a sensor named "EVE," short for EUV Variability Experiment, onboard SDO this winter.
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A 'Whole New Way of Seeing the Moon'
Temperature maps of the moon from the Diviner instrument on NASA's Lunar Reconnaissance Orbiter give scientists a chill.
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Asteroid Juno Grabs the Spotlight
Toward the end of September, the sun will turn a spotlight on the asteroid Juno, giving that bulky lump of rock a rare featured cameo in the night sky.