Elon Musk has made unfounded claims that two NASA astronauts were left on the space station for "political reasons" after ...

On a crisp January evening, as the International Space Station (ISS) streaked across the sky at 17,500 miles per hour, ...

"Cartilage damage is a really major issue that space agencies need to address despite how very poorly understood it is." ...

What are the serious health challenges the NASA astronaut is facing while she is stuck at the ISS with Butch Wilmore.

Katelin VonFeldt, a junior at Niwot High School, and Kayla Evans, a senior at Erie High School, were among 20 high school ...

Paralympian John McFall has passed all the required medical exams and is now eligible for future travel to the ISS with the ...

NASA's Sunita Williams and Butch Wilmore made one final please from the International Space Station as they admitted they ...

"I weighed 363 pounds with all my equipment, but up on the Moon, just 60 pounds — so you could really spring up!” ...

Animal study shows jumping exercises can protect astronauts from cartilage damage and boost bone strength during long space ...

Jumping workouts could help astronauts prevent the type of cartilage damage they are likely to endure during lengthy missions to Mars and the moon, a new Johns Hopkins University study suggests.

He says if someone back then had asked him to predict when astronauts would walk on Mars, "my guess would have been the ...