The movie Gravity had everyone spellbound with its gripping portrayal of spacewalks and the perils astronauts encounter ...

The misunderstanding about gravity for astronauts persists because we often equate weightlessness with a total absence of gravity. In reality, gravity on the ISS is about 90% of what we experience ...

Zero gravity relies on you, your surroundings, and the air all falling at the same rate, and airplanes flying parabolic arcs can provide the conditions.

You may think leaving Earth is the ultimate liberation, but ISS astronauts face strict rules prohibiting booze, bread, and ...

"This demo brought me right back, blending elements of real-time strategy, RPGs and first-person play into something very real." ...

For the astronauts, coming home will be no joy ride. Among space-shuttle crews, common reactions upon return include dizziness and nausea.

China is going full throttle in its quest to land astronauts on the moon by 2030. That was clearly evident in an Aug. 15 ...

Preparing for long-term space travel means planning for medical emergencies in microgravity, sometimes with machines stepping ...

Changes in zero gravity included worse vision problems among some men, calcium loss for both sexes, and for some female astronauts, an inability to stand for long periods without fainting after ...

Despite all the buzz around space tourism and giant rockets that can get us to the moon and beyond, life in space is still a long shot. Here's why.

The first astronauts in more than 40 years from India, Poland and Hungary have arrived at the International Space Station, ferried there by SpaceX on a private flight.