Space
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USAF's X-37B orbits earth for 500 days and still going: Testing technology or spying?
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Expansion of universe measured with best precision ever, using BOSS quasar study
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Curiosity arrives at next destination on Mars: What's that strange light? Aliens?
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Volcanic island of Niijima in Japan gulps neighboring island
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NASA observatory catches stunning solar flare from sun [VIDEO]
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Want some moon dust? Space auction in NYC features Neil Armstrong, Apollo Mission memorabilia
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Mars viewing best in years: Here's how to see it!
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NASA releases solar flare video, adds classical music to space drama
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Scientists eagerly await chance to watch a black hole in a feeding frenzy
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ESA launches Sentinel spacecraft from French Guinea, boosts Copernicus monitoring system
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Hubble finds ancient El Gordo galaxy cluster 'fatter' than once thought
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Evidence of explosive volcanic activity on Mercury a surprise, may shed light on how the planet formed
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