Leaks are affecting a key part of the International Space Station. NASA and Russia’s space agency, Roscosmos, are not seeing ...

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 ...

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

"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 ...

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

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

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.

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

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

The space superpowers set to land astronauts on the Moon — the U.S. and China — should forge a lunar peace pact protecting ...