Chinsese astronauts are conducting experiments with fruit flies and more aboard the Tiangong space station. Credit: China ...

NASA's Christmas Eve sun flyby! "From all of us to all of you, Merry Christmas!" ...

The images, which shows Butch Wilmore and Suni Williams and other NASA astronauts wearing Santa Claus hats, was posted ...

December 1968 was a difficult time for many in the world, as war and hostages, riots and assassinations drew our attention.

Here is CNN's look at the most memorable moments of 2024.

Satellites and chunks of space junk come close to colliding on a regular basis. The situation could get dangerously out of ...

NASACrew members aboard the International Space Station celebrate the holiday season in a unique way while living and working at the orbitin ...

NASA astronauts Suni Williams, Nick Hague, Butch Wilmore, and Don Pettit recorded a Christmas message from the International ...

When Butch Wilmore and Suni Williams launched to the space station in June, they expected to stay for just eight days. But ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have reached their six-month milestone of being stranded on ...