An image from space of a stranded astronaut is causing worldwide concern. Astronaut Sunita Williams looked noticeably gaunt and hollow-cheeked on board the International Space Station. Her eight ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Three of the ...

They’re outer this world. It’s been almost six months since technical issues stranded NASA astronauts Butch Wilmore and Suni Williams onboard the International Space Station. Since their ...

Astronauts on the International Space Station (ISS) will be able to vote in the U.S. election. The crew — including two stuck there after the Boeing Starliner malfunctioned — will beam their ...

NASA astronauts can vote from space, but why can't they endorse political candidates? As it turns out, U.S. federal law specifically prohibits them from doing so. Today is election day.

While sailors struggled to fight scurvy two centuries ago, astronauts today now face the threat of damage at the cellular level.

You got it. I have *** feeling the crowd is about to go wild. She can't talking back at home. We all have *** lot of work to do, but from here it sure looks like *** perfect world. And I think ...

The concern appeared to surface in the weeks after four returning astronauts from an extended SpaceX mission known as Crew-8 were mysteriously evaluated at a medical facility. The Crew-8 ...

Williams and Wilmore, who were only supposed to spend around a week in space, will return to Earth in February aboard the Crew-9 mission Dragon capsule that brought NASA astronaut Nick Hague and ...

CAPE CANAVERAL, Fla. -- Three NASA astronauts whose prolonged space station mission ended with a trip to the hospital last month declined to say Friday which one of them was sick. Astronauts ...

Election day in the United States is Tuesday, Nov. 5, and even American astronauts living in space are taking the time to fulfill their civic duty and cast their votes. There are four Americans ...