Space
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Is a one-way mission to Mars ethical? Is it sane?
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All hell breaks loose on Io as volcanoes erupt
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Rosetta's epic journey reaches its monumental destination
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Siding Spring comet will fly by Mars. Are NASA rovers, satellites in danger?
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Three massive volcanic eruptions rock Jupiter moon Io
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Scientists solve mystery why sun's atmosphere is hotter than its surface
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ESA's Rosetta spacecraft on schedule for date with comet on Wednesday
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U.S. agency mulls banning in-flight cell use
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NASA microwave thruster deemed ‘impossible’ might actually work
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SpaceX will build commercial spaceport in Brownsville, Texas. Here's why
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Mars 2020 rover will do what Spirit, Opportunity and Curiosity couldn't: NASA
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Gigantic magnifying glass in deep space? Hubble spots one
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