NASA's oldest astronaut, who spent 220 days in space, has spoken about one of the most difficult parts of returning to Earth.

I don’t have a whole lot to say about this video except wow. Wow wow. It’s almost inconceivable that we live in a wo ...

In this photo released by Roscosmos space corporation, NASA astronaut Don Pettit, left, Roscosmos cosmonauts Alexey Ovchinin, centre, and Ivan Vagner, crew members to the International Space ...

A delightful video of astronauts Sunita Williams and Don Pettit dancing in the weightless environment of the International ...

Don Pettit in zero gravity aboard the ISS has gone viral. Through their dance, the two astronauts attempted to destress ...