ScienceMeet Scott Kelly: This U.S. Astronaut Has Spent Most Time Living In Space (Video) Scott Kelly has spent a full year on the International Space Station. Kelly, who has accumulated 383 days on Oct. 16, has set a new record for the most numbers of days an American has spent in space.by Jim Algar
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ScienceNASA Wants You To 3D Print Habitats For Deep Space Exploration And Win $2.25 Million In Prizesby Jim Algar