Astronaut Scott Kelly will complete his 340-day mission on the International Space Station March 1, making it the longest any U.S. astronaut has spent in space. His #YearInSpace allows NASA researchers to study the physical and psychological challenges humans experience during extended spaceflight. Nicole L. Cvetnic McClatchy
Astronaut Scott Kelly will complete his 340-day mission on the International Space Station March 1, making it the longest any U.S. astronaut has spent in space. His #YearInSpace allows NASA researchers to study the physical and psychological challenges humans experience during extended spaceflight. Nicole L. Cvetnic McClatchy

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Look up in the sky tonight: See the space station along the Sacramento horizon

January 31, 2017 8:52 AM

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