Astronauts aboard the International Space Station share Christmas wishes from orbit, marking the holidays with messages, decorations, and support from Earth ...

Things did not go as planned. And when that happens in space, the stakes are very high. For astronauts Sunita Williams and ...

Tiny chunks of space debris are believed to have struck the return vehicle of a Chinese crew of astronauts who were due to return to Earth following a mission at the nation's Tiangong space station.