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

NASA astronauts Suni Williams and Butch Wilmore say they are working out aboard the International Space Station as they await ...

During an interview with the New England Sports Network this week, NASA astronaut Suni Williams said, “There’s some rumors ...

NASA and Russia at odds over cause and severity of the International Space Station's leak risks, including possibility of ...

Two astronauts were meant to be in space for a week. More than 150 days later, they're still suck in space and speculation ...

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

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

Suni Williams and Butch Wilmore, the two NASA astronauts who have been stuck at the International Space Station for more than 150 days and counting, are speaking out amid health concerns, reassuring ...

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

A SpaceX Dragon capsule packed with cargo took flight atop a Falcon 9 rocket Monday night, ferrying innovative experiments and equipment to the International Space Station to continue NASA's legacy of ...

The interview has been shared by NASA on its YouTube channel. "Aboard the International Space Station, Expedition 72 ...