Add Yahoo as a preferred source to see more of our stories on Google. A crew member aboard the International Space Station has a medical issue that forced postponement of today's two-astronaut ...

A NASA astronaut on the ISS captured the Space Launch System rocket for Artemis 2, a mission that aims to bring four astronauts around the moon as soon as Feb. 6.

While most Americans spent Thanksgiving Day gathered around a table with family and friends, feet firmly planted on the ground, one Maryland-raised man spent the day journeying to the stars. Chris ...

NASA called off a spacewalk that was to take place at the International Space Station over a medical problem that arose with an unnamed astronaut. Although the kind of medical problem the astronaut ...

NASA astronauts Chris Williams and Zena Cardman, both Expedition 74 Flight Engineers, work on spacesuit maintenance inside ...