If everything goes according to plan, they are expected to splash down off the coast of Florida at 5:57 p.m. ET (9:57 p.m. GMT).

Just before a SpaceX capsule docked with the International Space Station (ISS) so two astronauts who found themselves in space unexpectedly for nine months could prepare to return to Earth, an 'alien' ...

Butch Wilmore and Sunita Williams, who launched to space back in June aboard Boeing's Starliner spacecraft, will now be ...

The NASA astronauts who crewed the Boeing Starliner could be on their way home sooner than expected due to weather conditions off the Florida coast.

The astronaut duo’s eight-day mission to the ISS last June became a months-long ordeal when the Boeing Starliner capsule, due ...

Shortly after they arrived at the ISS, engineers discovered several critical issues with the spacecraft, including helium leaks and propulsion system malfunctions.

ET By Jackie Wattles, CNN Editor's note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — NASA’s ...

The pair of NASA astronauts expected to be in space for a week. Instead, they orbited the planet for nearly a year.