Down to their DNA, astronauts’ bodies can change in weird and sometimes significant ways while high above Earth: They start to elongate, often developing a taller “space height,” and because ...

NASA astronauts Butch Wilmore and Suni Williams arrived at the ISS in June planning to stay for just 10 days as part of Boeing Starliner's first crewed flight test. However, NASA learned the ...

Though the astronauts may be ready to be home, their bodies will need time to adjust back to Earth's atmosphere and gravity. Early Tuesday morning, Williams and Wilmore, commonly known as the ...

Our bodies were really built to work in gravity at NASA. Countermeasures lab exercise routines and equipment are designed to help prevent astronauts from losing bone and muscle mass while they're ...

"It's tough learning to live with gravity again," Wilmore said.John Dewitt, a biochemist, explained the challenges astronauts face after long durations in space."Our bodies were really built to ...