A holiday photo of NASA astronaut Suni Williams looking gaunt has drawn concern — as her return to Earth has been delayed a second time. Images of Williams, 59, shared by NASA on Tuesday ...

Ms. Williams and Mr. Wilmore, two NASA astronauts, left for the International Space Station on June 5 for what was intended to be an eight-day mission. They have now spent six months and counting ...

It was the first flight for the spacecraft to take astronauts to the ISS, but there were several helium leaks and other issues with the capsule, so NASA decided to return it to Earth without the crew.

NASA's two stuck astronauts just got their space mission extended again. That means they won't be back on Earth until spring, 10 months after rocketing into orbit on Boeing's Starliner capsule.

China said two of its astronauts spent nine hours outside the Tiangong Space Station. The longest previous spacewalk, by Americans, was eight hours and 56 minutes. By Chris Buckley Two Chinese ...