British astronaut Tim Peake walked in space outside the International Space Station on Jan. 15, 2016. New ESA astronauts could fly for short missions to destinations like...

“As I sat waiting for information about @SenMarkKelly’s safety today, I couldn’t stop thinking about what you must have gone through 10 years ago this week,” Giffords wro...

This unpatriotic attempt to overturn our election — and silence the voices of Arizonans — will fail," Kelly said via Twitter on Wednesday . Retired NASA astronaut Terry V...