Scott Kelly joins The Lead ...

An HTC headset designed to work in space is offsetting the physical and psychological challenges of humans living off-world.

An curved arrow pointing right. Astronaut Scott Kelly, of NASA, and cosmonauts Sergey Volkov and Mikhail Kornienko of Roscosmos landed safely in Kazakhstan on March 2, 2016. Produced by Jacqui ...

Scott Kelly recently returned to the International Space Station — during a trip to Berlin. The first American astronaut to spend more than 500 days off the planet, including nearly a year ...

In both cases, Scott Kelly’s data returned to pre-flight levels shortly after he returned to Earth. One potential explanation, according to The Verge, is the specialized diet astronauts eat in space.

CU Boulder is hosting a special visit from Scott Kelly. 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 ...

An curved arrow pointing right. After nearly a year in space, astronaut Scott Kelly chats about his experiences and what he missed about Earth. Produced by Maya Dangerfield. Video courtesy of NASA.

This story appears in the December 2017 issue of National Geographic magazine. Former astronaut Scott Kelly has spent every American holiday in space, except St. Patrick’s Day. His last mission ...

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 ...

After the astronaut Scott Kelly spent a year on the International Space Station, he returned to Earth shorter, more nearsighted, lighter and with new symptoms of heart disease that his identical ...

Scott Kelly is famous for spending almost a year ... Whitson is the American astronaut who has spent the most cumulative time in space. She commanded the ISS twice and had several spacewalks.