After an unexpected nine-month stay aboard the International Space Station, U.S. astronauts Suni Williams and Butch Wilmore ...

Astronauts Barry “Butch” Wilmore and Suni Williams are back on Earth after nearly nine months in space and readjusting to ...

Bone and muscle deterioration, radiation exposure, vision impairment -- these are just a few of the challenges space ...

NASA astronaut Sunita Williams may face muscle atrophy, bone loss, vision issues, and immune changes after her prolonged space stay, experts weigh in.

Modern society, and the clean energy revolution, depend on rare earth elements. Can Greenland help break China's stranglehold on the market?

Once the astronaut returns to Earth, they are immediately forced to readjust again, back to Earth's gravity, and can ...

There are several health challenges astronauts face due to long-duration space travel such as bone and muscle deterioration, ...

Long-term trips to the ISS, like the one Sunita Williams has taken, cause significant changes to the human body. We look at ...

On Earth, even simple movements help maintain muscle and bone strength due to gravity. But in space, astronauts need special ...