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.

"Understanding how spaceflight impacts the human brain is crucial as space exploration and tourism expand," a ...

RUSSIA is planning to build an anti-gravity space station where astronauts can roam without floating. Energia, the principal contractor for Russia’s human spaceflight program, has forwarded ...

Spending months in orbit doesn't just weaken astronauts' bones and muscles—it nudges their brains upward inside their skulls, ...

O ver the past half-century of manned spaceflight, scientists have learned a lot about how the human body responds once freed ...

NASA shows how space takes a toll on men and women differently. — -- With an upcoming mission to Mars, NASA is studying the ways that living in space affects both men and women. In a study ...

It's been 286 days since astronauts Sonny Williams and Butch Wilmore have felt the pull of Earth's gravity. Gravity is really, really tough, tough, learning to live with it, but also without it. Our ...