NASA astronauts Anne McClain and Nichole Ayers emerged around 9 a.m. Thursday, May 1 for the fifth-ever all-female spacewalk.

NASA astronauts Anne McClain and Nichole Ayers emerged around 9 a.m. Thursday, May 1 for the fifth-ever all-female spacewalk.

Wilmore, who recently spent more than nine months in space, was a 1981 Mt. Juliet High School graduate with family still in ...

ELVIS, a new holographic microscope developed at Portland State University, could help advance efforts to look for life on ...

A Santa Monica High School alum who became a medical doctor and a Navy SEAL before his career as an astronaut answered ...

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

It was about one in the morning, four hours after an explosion tore through the Apollo 13 spacecraft on its way to the moon, ...