One way that astronauts have been fighting bone loss is through strength training. And they're getting some help with a new machine delivered this week by the shuttle Endeavour, which docked with the ...

For a quarter of a century, humans have continuously occupied the International Space Station. Here's a look at how far we've ...

NASA revealed the members of its 2025 astronaut class, the 24th group in the agency's history — some of whom may be among the ...

Billionaires make it seem that we have all the tech we need to settle on the moon and Mars. But the hard part of living in space is adapting the human body to extraterrestrial conditions. Business ...

A world-first study has proven microbes essential for human health can survive the extreme forces of space launch. The study ...

NASA astronaut Sunita Williams opens up to PEOPLE about spending 9 months in space, what she missed the most and her tentative plans to retire.

Lettuce grown in space contains 29-31% less calcium and 25% less magnesium than Earth crops, creating serious health risks ...

Marco Sieber is part of an international team of astronauts who spent four days living and working in a cave for a European ...

If all goes to plan, next February could see the return of humans to the moon. Four people — NASA astronauts Victor Glover, ...

Election day in the United States is Tuesday, Nov. 4, and even American astronauts living in space are taking the time to fulfill their civic duty and cast their votes. There are four Americans ...

Spending time aboard the International Space Station (ISS) induced aging-like changes in a group of cells key for the health of blood and the immune system, known as hematopoietic stem and progenitor ...