(PhysOrg.com) -- On March 17, the tiny MESSENGER spacecraft completed its primary mission to orbit and observe the planet Mercury for one Earth-year. The bounty of surprises from the mission has completely altered our understanding ...
Space Exploration
Mar 21, 2012
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(PhysOrg.com) -- Just as the lead characters in the popular Broadway musical "Wicked" sing about defying gravity, the low-Earth orbiting twin spacecraft of NASA's Gravity Recovery and Climate Experiment (GRACE) continue to ...
Space Exploration
Mar 19, 2012
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For the first time, the melting of glaciers in Greenland could now be measured with high accuracy from space. Just in time for the tenth anniversary of the twin satellites GRACE (Gravity Recovery and Climate Experiment) a ...
Earth Sciences
Mar 16, 2012
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Thanks to the presence of a natural "zoom lens" in space, University of Chicago scientists working with NASA's Hubble Space Telescope have obtained a uniquely close-up look at the brightest gravitationally magnified galaxy ...
Astronomy
Mar 8, 2012
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(PhysOrg.com) -- NASA's Gravity Recovery And Interior Laboratory (GRAIL) spacecraft orbiting the moon officially have begun their science collection phase. During the next 84 days, scientists will obtain a high-resolution ...
Space Exploration
Mar 7, 2012
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On Earth all biology is subjected to gravity. Some biological systems require gravity for correct orientation (geotropism: plants grow up, roots grow down). In the absence of gravity even human biology is affected: astronauts ...
Biotechnology
Jan 31, 2012
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A pair of unmanned NASA spacecraft that are orbiting the Moon were renamed Ebb and Flow on Tuesday by a middle school class in Montana, the US space agency announced.
Space Exploration
Jan 17, 2012
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Using powerful magnets to levitate fruit flies can provide vital clues to how biological organisms are affected by weightless conditions in space, researchers at The University of Nottingham say.
General Physics
Jan 4, 2012
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(PhysOrg.com) -- NASA's Gravity Recovery And Interior Laboratory (GRAIL)-A spacecraft is within 24 hours of its insertion burn that will place it into lunar orbit. At the time the spacecraft crossed the milestone at 1:21 ...
Space Exploration
Dec 31, 2011
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The moon has come a long way since Galileo first peered at it through a telescope. Unmanned probes have circled around it and landed on its surface. Twelve American astronauts have walked on it. And lunar rocks and soil have ...
Space Exploration
Dec 26, 2011
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