
Next NASA Mars Mission Reaches Milestone
NASA's InSight mission has begun the assembly, test and launch operations (ATLO) phase of its development, on track for a March 2016 launch to Mars. The lander, its aeroshell and cruise stage are be ... more
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New Horizons Set to Wake Up for Pluto Encounter
NASA's New Horizons spacecraft comes out of hibernation for the last time on Dec. 6. Between now and then, while the Pluto-bound probe enjoys three more weeks of electronic slumber, work on Earth is ... more
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Warmth and flowing water on early Mars were episodic
Ample evidence of ancient rivers, streams, and lakes make it clear that Mars was at some point warm enough for liquid water to flow on its surface. While that may conjure up images of a tropical Mar ... more
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Geologic Maps of Vesta from NASA's Dawn Mission Published
Images from NASA's Dawn Mission have been used to create a series of high-resolution geological maps of the large asteroid Vesta, revealing the variety of surface features in unprecedented detail. T ... more
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Mars, too, has macroweather
Weather, which changes day-to-day due to constant fluctuations in the atmosphere, and climate, which varies over decades, are familiar. More recently, a third regime, called "macroweather," has been ... more
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