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 ...

Amid public concern, NASA said the Starliner astronauts and the other five spacefarers living in orbit "undergo routine ...

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

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

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

"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 ...

Artemis 2 was initially slotted for a December 2024 liftoff, but that schedule was delayed in January 2024. NASA said several ...

NASA astronaut and Expedition 72 Flight Engineer Nick Hague ... sustainable long-term human missions and increase crop ...

Astronauts face a large number of other health risks during their stay in space. In a weightless environment, muscles aren't used as much, which can lead to them weakening and atrophying. Additionally ...

In March, three NASA astronauts were sent to the International Space Station to monitor the arrival of two rockets over six ...