Williams and another astronaut, Butch Wilmore, were supposed to stay in space for a week in 2024, but concerns about the ...

NASA's Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired.

Veteran NASA astronaut Suni Williams announced her retirement Tuesday. Her extended mission to orbit due to the troubled ...

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 ...

The Helix Nebula is one of the most well-known and commonly photographed planetary nebulae because it resembles the “ Eye of ...

The U.S. is once again challenging itself to go to the moon, and this time, NASA and the Trump administration want to ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

This past weekend, the Artemis II rocket was rolled out to Launch Pad 39B at Kennedy Space Center. It is to take humans to ...

NASA astronaut Sunita Williams retires after a 27-year career marked by nine space missions, nine spacewalks, and historic ...

NASA's towering SLS rocket that will help propel four astronauts on a historic journey around the moon is now visible at the ...

Sunita Williams retires from NASA after 27 years, marking a legacy of record spacewalks, ISS leadership, and pioneering ...