Two astronauts are doing well despite rumors of health issues as they wait to return to Earth, the astronauts and NASA say.

The agency’s top medical official was responding to rumors that Suni Williams had lost an unusual amount of weight during an ...

The astronaut appeared to be in good health and spirits following photos of her that recently sparked health scare rumors.

"All NASA astronauts aboard the International Space Station are in good health," says the agency's chief health and medical ...

The astronaut originally arrived at the ISS on June 6 along with Sunita Williams for what was supposed to be just a ten day stay.

In a video released Monday by NASA, stranded astronaut Sunita Williams, 59, offered a surprising reason for her weight loss ...

Suni Williams and Butch Wilmore only expected to be in space for about a week. But, more than 150 days later, the two NASA ...

What began as a brief, week-long mission for astronauts Sunita Williams and Butch Wilmore has now extended to 160 days, as Boeing Starliner malfunctions left NASA strategizing for solutions.

NASA astronaut Suni Williams says her weight is stable aboard the International Space Station, rebutting tabloid claims that ...

"In 65 years of human spaceflight, we've never had to bring somebody back for a medical reason so far," he added. "That's a ...

SpaceX launched a Falcon 9 rocket Thursday morning from Florida’s Space Coast. Watch Falcon 9 launch 24 @Starlink satellites ...