Astronauts Piers J. Sellers (left) and David A. Wolf in the midst of a pre-breathe exercise in preparation for a spacewalk. | ...

NASA photographer Josh Valcarcel captured Zena Cardman in a pose evocative of one of the first female astronaut's portraits.

Earth to astronaut Barbie, we have a new space collectible, but probably not for all of the reasons Mattel intended. The toy company has released a Barbie Miss Astronaut 60th anniversary doll.

Jonny Kim, a former Navy SEAL, Harvard Medical School graduate and now a NASA astronaut, blasted off with two cosmonaut crewmates aboard a Russian Soyuz rocket early Tuesday, chased down the ...

Four astronauts from NASA, JAXA, and Roscosmos are teaming up for an ambitious mission aboard the International Space Station ...