NASA
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NASA doubts Russian claims of sea plankton on ISS
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NASA wants to send rats into space
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ISS astronaut sets free baby satellite: 'And away it goes'
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Curiosity rover forced to take road less traveled due to sand ripples
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Rosetta probe snaps 3D images of comet date, shows surface variations
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NASA creating origami-style solar array: Could beam electricity to Earth
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ISS astronauts venture outside for spacewalk
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International Space Station releases tiny satellite
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Why seven dust particles brought home by Stardust probe are important to humans
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Cygnus spacecraft packing 3500 lbs of trash onboard, will burn up Sunday during Earth re-entry
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Interstellar dust found on spacecraft could be oldest samples ever
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Arctic snow layer is thinning at rapid rate, researchers confirm
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