Space
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Asteroids Beat Out Comets for Best Theory of Origin of Earth's Water
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SpaceX Daringly Aims to Land Rocket on Floating Ocean Platform
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Comet Dust Found on Earth for First Time, Locked in Ice and Snow
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What Did Curiosity Discover This Year?
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Mountain-sized Asteroid 2014 UR116 Set for Apocalyptic Impact with Earth? Not Really
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Amazon to FAA: Let Us Test Drones Outdoors or We Will Test Outside U.S.
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Mountain-Sized Asteroid Headed for Earth Won't Harm Us: Here's Why
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Scientists Recreate Spark of Life
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Powerful Winds on Saturn Moon Titan Shape Giant Dunes
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CBERS-4 Satellite Hitches a Ride into Space on China's 200th Rocket Launch
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Evidence of Ancient Lake on Mars Suggests Possibility of Alien Life in Outer Space
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Mars' Gale Crater Once Held Vast Lake
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