NASA stunned after comparing health of astronaut who spent 340 days in space to identical twin brother on Earth
What happened to NASA astronaut Scott Kelly after spending a year in space while twin brother Mark, also an astronaut, ...
Meet Scott and Mark Kelly, the brothers who were at the centre of NASA's twins study on astronauts
Scott Kelly, a former astronaut, discussed the return of NASA astronauts from the International Space Station on Fox News. He ...
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Scott Kelly
Scott Kelly is a former military fighter pilot and test pilot, an engineer, a retired astronaut, and a retired U.S. Navy captain. A veteran of four space flights, Kelly commanded the International ...