Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

Researchers found that the brain "shifts upward and backward within the skull following spaceflight," a new wrinkle for future space travel.

The evacuation raises a question worth exploring: how do astronauts stay healthy in space, and why is this early evacuation ...

Astronauts’ brains can change shape and shift positions in space, according to a study with implications for NASA as it plans ...

Spaceflight takes a physical toll on astronauts, causing muscles to atrophy, bones to thin and bodily fluids to shift.

Four astronauts departed from the I.S.S. about a month earlier than scheduled because a crew member, who was not identified, ...

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

NASA's SpaceX Crew-11 mission is ending early to bring back a member with a medical issue. Astronauts who spend a long time ...

Four astronauts splashed down in the Pacific Ocean as they return early from the International Space Station due to a crew ...

Four Nasa astronauts splashed down in the Pacific Ocean today after an abrupt ‘controlled medical evacuation’ of the ...