Space
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Exploding supernova brings nearby M82 galaxy out of hiding
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Japan getting ready to cast huge magnetic net to catch space junk
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Weightlessness in space can weaken your immunity system (especially if you're a fly)
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Forget doughnut rock: Mars rover Opportunity celebrates 10 years on Red Planet by finding life-friendly trace of water
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Is the water vapor-spouting dwarf planet Ceres hiding alien lifeforms?
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Rare photos of Challenger tragedy found in attic after 26 years
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Milky Way galaxy formed inside out and here's the proof
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Ants invade International Space Station...and they're on a mission
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Rosetta wakes up after 31 months, gets ready to chase comet (Video)
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Mysterious rock appearance next to slumbering Mars rover Opportunity leaves scientists scurrying for answers
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Rosetta orbiter alarm clock set to go off on Monday
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Man setting foot on Mars in 2030s nearing reality
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