For a While, Stephen Hawking Leaves Gravity Behind
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Earth-Like Planet Discovered in Libra
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NASA Facility Is Site of Two Killings After Standoff
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Test of Einstein's Theory of Gravity Hits a Snag
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Space Tethers: Slinging Objects in Orbit?
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Space Travel: Only for Billionaires?
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The Local Debate over Spaceport America
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Zero Gravity Zzzs: Joys of Sleeping in Outer Space
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SpaceX Makes Progress with Rocket Test
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Pluto: Still a Planet in New Mexico
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NASA Report on Asteroids Suggests Nuclear Option
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Scientists Gather at Conference to Stop Asteroids
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