Scientists examined brain MRI scans of astronauts and found microgravity causes upward and backward brain shifts, which gradually take months to recover after returning to Earth.

Add Yahoo as a preferred source to see more of our stories on Google. an astronaut floats in space beside a superimposed graphic of a protein Scientists have discovered how living cells may respond ...

Scientists at the U.S. Naval Research Laboratory (NRL) have completed a spaceflight biology investigation aboard the International Space Station (ISS) that reveals how microgravity fundamentally ...

Just a few days in simulated microgravity can subtly change the way women's blood clots, sparking bigger questions about ...

Some of the first experiments in space dealt with gravity and weightlessness. They were somewhat simple studies to test the new environment. Alan Shepard was the first man to hit a golf ball on the ...

Add Yahoo as a preferred source to see more of our stories on Google. Cancer cells are more hardy in the low-gravity conditions of space. koto_feja/iStock via Getty Images Plus As space travel gains ...

Space Cargo Unlimited and Atmos Space Cargo care partnering on a series of microgravity payload missions called BentoBox. Credit: Space Cargo Unlimited WASHINGTON — Two European companies are ...

The radiation in space is not great for biological health. Space radiation is known to damage DNA. Many types of human cells have to frequently divide to replace cells that are worn out, old, or ...