Science
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Commercial human ventures planned for the moon: NASA study
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Rocket lifts off with U.S. military communications satellite
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Planetary alignment peaks with celestial show this weekend
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NASA puts shuttle launch pad in Florida up for lease
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Solar plane completes second leg of cross-country flight in Texas
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U.S. industry touts 'drone' promise as public debate flares
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NASA investing in 3-D food printer for astronauts
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Meteoroid impact triggers bright flash on the moon
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National Weather Service gets big computing boost
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Rocket blasts off from Florida carrying new GPS satellite
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