NASA astronauts Nichole Ayers and Anne McClain complete egress of the International Space Station during a spacewalk mission.

NASA astronaut Kathleen "Kate" Rubins has retired from the space agency after 16 years, two missions on the International Space Station, four spacewalks and 300 days in space. Her last day at Johnson ...

The Crew-10 mission reached the International Space Station March 15 in a crucial step for the Boeing Starliner astronauts to ...

Schirra, 84, was the first astronaut to fly three times in space. May 3, 2007 — -- Walter M. Schirra Jr., one of America's original seven astronauts, has died at the age of 84. Schirra, said ...