Space
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Possible discovery of exomoon circling alien planet reveals how little we know about the universe
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U.S. sends spy satellite into space aboard Russian-powered Atlas V rocket
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Hubble Space Telescope extends our cosmic 'tape measure,' looks farther into our galaxy
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NASA dreams of using flying saucers to send astronauts to Mars
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ISS astronauts prepare for another spacewalk to fix computer outage
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Astronomers uncertain about discovery of rare exomoon: Is it real?
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NASA plan for humans on Mars in the 2030s: Will Mars One already be there?
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Robot aboard International Space Station to get legs, NASA says
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Richard Branson concludes hunt for Virgin Galactic inspiration: Shihan Musafer
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NASA clears spacecraft for 2018 trip to asteroid
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Mars water discovered in Gusev crater? Spirit rover sends new evidence to NASA
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Selfie bug bites Instagram-loving NASA astronaut, Earth photobombs him
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