astronaut scott kelly
The president should focus instead on the cyberwar that's an immediate threat to our democracy, said the former commander of the International Space Station.
The private space race, led in large part by Elon Musk's SpaceX, is a sign of things to come.
He enjoyed a slice of apple pie and went to the dentist.
Pass -- don't float -- the ketchup!
Scott Kelly's Twitter feed gave us an incredible view of Earth.
After 340 days and 5,440 trips around Earth, the American is home.
Scott Kelly says that he misses the weather.
A new spin on an old game.