Wednesday's launch attempt was called off after concerns over a critical hydraulic system popped up less than four hours before planned liftoff.

Less than an hour before liftoff, the SpaceX Dragon mission to provide assistance to two astronauts was aborted yet again, this time for a ground equipment issue.

Perhaps the most bizarre side effect of living in near-weightless conditions involves human feet, or the soles. Astronauts ...

Four astronauts will blast off from the Kennedy Space Center, kicking off the return process for two astronauts who've been stuck in space for nine months.

A private lunar lander carrying a drill, vacuum and other experiments for NASA touched down on the moon Sunday, the latest in ...

NASA's two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander Suni Williams and Butch Wilmore ...

He remained with the agency from 1990 to 2010. During his tenure, he became an astronaut and served as a mission specialist on STS-55 in 1993 and the groundbreaking STS-63 flight in 1995 – which ...

CAPE CANAVERAL, Fla. — NASA’s two stuck astronauts may end up back on Earth a little sooner than planned. The space agency announced Tuesday that SpaceX will switch capsules for upcoming ...

NASA has announced a first-of-its-kind Twitch stream where astronauts from the International Space Station will engage with viewers live on the platform. The stream is planned for Wednesday ...