Scott Kelly, a former astronaut, discussed the return of NASA astronauts from the International Space Station on Fox News. He ...

Scott Kelly and Mark Kelly are American astronauts and identical twin brothers. They participated in NASA's Twins Study, ...

Say hello to Scott and Mark Kelly, two now retired astronauts who worked for the National Aeronautics and Space Administration. Twins born back in 1964, they embarked on a career in science that ...

Weill Cornell Medicine professor Dr. Christopher Mason and former astronaut Jose M. Hernandez shared their expectations for ...

Senator Mark Kelly, a former astronaut and US Navy captain, showed off his newly purchased Chevy after he announced he would sell his Tesla vehicle in protest over Elon Musk and the Donald Trump ...

After 286 days without feeling the pull of Earth's gravity, the bodies of astronauts Suni Williams and Butch Wilmore will ...

Mark Kelly, D-Ariz., traded his electric Tesla Model X for a gasoline-powered Chevy Tahoe ... "Watching our planet spin through space, there's a moment when it becomes abundantly clear: There is no ...

BOAS: Well, judging from the mail that I’m getting — my piece ran in USA Today, and I have gotten so much mail that is so pro-Mark Kelly. I think the fact that he is a veteran, that he’s an astronaut, ...

NASA astronauts Butch Wilmore and Suni Williams aren’t the first to run late in space, and their 9 ½-month mission falls ...

Sunita Williams returns after extended ISS stay as NASA’s longest-duration spaceflight records come into focus.