On the season finale of "The Big Bang Theory" that aired Thursday evening (May 10), a main character on the CBS TV sitcom launched into space. Sitting beside him in the spacecraft was Mike Massimino, ...

As we prepare for missions beyond Earth orbit, one crucial challenge remains: keeping astronauts healthy in microgravity.

NASA astronaut Jonny Kim has shared his first-ever time-lapse from aboard the International Space Station (ISS) — and it’s a real stunner. The dramatic 68-second clip shows a changing view of Earth as ...

The members of Crew-11 — two American, one Russian and one Japanese — splashed down after one became ill, prompting an early ...