Space changes the human body in many ways. From bone loss to bloated faces, here's how microgravity and radiation affect the ...

Any exposed liquid on your body will begin to vaporize. So the surfaces of your tongue and eyes will boil. Without air in your lungs, blood will stop sending oxygen to your brain. You'll pass out ...

Astronauts Suni Williams and Butch Wilmore are back on Earth - but what has nine months in space done to them?

Article continues below Space is a pretty hostile environment for the human body, meaning this prolonged stay on the space station likely had a significant impact on the astronauts' health ...

The human body uses three types of molecules to yield ... which is almost totally devoid of mitochondria; and the outer segment of the retina, which contains the photosensitive pigment.

However, the human body evolved to function in the gravity of ... The video below shows the astronauts needing support to get their bodies out of the capsule and on to a stretcher.