Williams and another astronaut, Butch Wilmore, were supposed to stay in space for a week in 2024, but concerns about the Boeing Starliner spacecraft kept them there until March.

NASA’s Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired. The space agency announced the news Tuesday, saying her retirement took effect at the end of December.

Nearly 14 years ago, NASA’s Curiosity rover landed on Mars for a mission to explore the red planet and discover if it had an environment capable of supporting microbial life. Over the years, the rover has also been beaming back striking images of its surroundings,

NASA has launched the Mars to Table Challenge, seeking Earth-independent food systems capable of sustaining astronauts on long-duration Moon and Mars missions.

The crew undocked from the orbiting outpost at 5:20 p.m. ET Wednesday — about a month earlier than planned —and are scheduled to splash down on Earth early Thursday.

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of the cosmos. Experts have also revealed when the next-gen spacecraft is set to launch and begin collecting data.

Depending on the timing, NASA could launch a fresh crew to the space station while four other astronauts are flying around the moon.

Four people from NASA's Crew-11 mission splashed down off San Diego, successfully completing five months aboard the International Space Station. The trip was cut short due to a medical issue.

CAPE CANAVERAL, Fla. (AP) — An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month early in NASA’s first medical evacuation.