NASA
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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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Alien-looking figure found on moon's surface? The Internet seems to think so
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Why politicians are stopping us from finding alien life
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How do stars get gobbled up by black holes?
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Perseid meteor shower peaks Tuesday night: How and when to watch this rare celestial treat
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Follow the journey of the crowdfunded ISEE-3 spacecraft
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Hubble Space Telescope: NASA scientists spotted 'zombie star' after supernova explosion
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Watch NASA's video of its first 'flying saucer' test
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