Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

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

Chinese astronauts aboard Tiangong station witnessed a match flame transform into a blue sphere in microgravity. Unlike Earth ...

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 ...

Human health is the Achilles heel of space travel. Researchers at ETH Zurich have now succeeded in printing complex muscle ...

FRANCE (KTRK) -- The fastest man on Earth put his speed to the test in zero-gravity. And as it turns out, he's pretty quick in space too. Usain Bolt raced astronauts in an Airbus Zero-G plane above ...

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...

A changing of the guard is imminent on China's Tiangon space station. Three astronauts are on their way. And those onboard are preparing to return home.

— -- Astronaut Clayton Anderson is a four-sport athlete who loves to lift weights. But after his return to Earth, scheduled for today, he'll need help just taking a few steps. He's been advised ...

Astronauts generally can’t look out the window like you might in a car – a ‘virtual window’ could instead serve that purpose.

SpaceX has shown off intriguing renders of the interior of the Human Landing Systems (HLS) variant of its enormous Starship ...

Space changes you. It strengthens some muscles, weakens others, shifts fluids within your body, and realigns your sense of balance. NASA's Human Research Program works to understand—and sometimes even ...