NASA
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Help NASA save the world by hunting down dangerously close asteroids and maybe win $35,000
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Koichi Wakata 'humbled' to become first Japanese to command ISS
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NASA WISE fails to find Planet X...but finds thousands of new celestial bodies
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NASA radar can detect sinkholes before they become sinkholes
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Jupiter's watery moon Europa beckons NASA: Will it finally find alien life?
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NASA to conduct first ever twin astronaut study on Mark and Scott Kelly
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Bus-sized asteroid third to miss hitting Earth in 48 hours: Doomsday approaching?
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NASA could predict sinkholes with space radar
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Asteroid 2014 DX110 barely misses Earth: Flyby serves as warning of possible doomsday
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NASA prepares defense against asteroids as one speeds by Earth
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Horror show: Hubble witnesses spiral galaxy ESO 137-001 in its death throes
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Awesome NASA photos of space a tribute to Oscar winner Gravity
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