The space agency’s chief health and medical officer refutes claims that Suni Williams, who is on the unexpectedly extended ...

Three NASA astronauts whose prolonged space mission ended with a trip to the hospital last month won't say which one of them ...

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

BREAKING: Trump says Elon Musk and Vivek Ramaswamy will head a new department to reduce federal bureaucracy Profile Sections tv Featured More From NBC Follow NBC News news Alerts There are no new ...

This is how Sunita Williams and her fellow astronaut Butch Wilmore are planning to vote from space. Read on to learn the details.

This is a collection of photos chosen by AP photo editors. Got a question? Put a reporter on it. Ever think of a question ...

Recent findings from the International Space Station address wound healing, fine motor control in space, and radiation ...

Three Chinese astronauts returned to Earth on Monday after a six-month stay on the Tiangong space station, part of China’s ...

Tennessee Tech University will host a live video chat with NASA astronaut, university trustee and alumnus Barry “Butch” ...

Astronauts aboard the International Space Station (ISS) orbit the Earth hundreds of miles above American soil. But that doesn’t mean they can’t vote while they float. NASA astronaut David Wolf ...

For the NASA astronauts on board the International Space Station (ISS), they have to make plans to cast their ballots from 250 miles above the Earth’s surface, where they are orbiting in space.

Related: NASA astronaut makes dazzling 'Jupiter-like planet' on ISS using water and food coloring (photo) The 69-year-old astronaut is on his fourth space mission, having racked up 370 days in ...