After being stranded in space for more than nine months, two NASA astronauts are finally jetting back into the Earth's atmosphere. Suni Williams and Butch Wilmore are due to splash down off Florida's ...

Sunita Williams Latest Health News: NASA astronaut Sunita Williams recently returned to Earth on March 18, 2025, ending an unexpectedly prolonged stay at the International Space Station (ISS). A short ...

Back on Earth, balance issues could arise. Continued monitoring showed that the brain orientation of the astronauts in the study slowly returned to normal. For those with the longest stays, ...

Aside from exposure to elevated radiation levels, Martian gravity is about 38 percent of Earth's. This has the potential to ...

Dear Doctors: Our 11-year-old son is fascinated with those astronauts who are stuck on the space station. He asks about a lot is how being in space for that long affects the human body. Do you know ...

It's well known that spaceflight causes muscle atrophy and other biological changes in reduced gravity, and especially in ...

NASA and scientists are studying the effects of low gravity on human muscle to prepare for Mars missions. Research on mice ...

Humans did not evolve for space. Ironically, because we insist on going there anyway, scientists now know from studying ...

The space-faring mice spent about 28 days in those conditions before returning to Earth in April. Mortreux and her colleagues ...