Axiom Mission 4, due to launch from Florida, won't be getting off the ground anytime soon after a leak was detected on the ...

The International Space Station is leaking air, which has caused an indefinite delay to the Axiom 4 Mission. NASA explained ...

The time-lapse footage was captured by NASA astronaut Jonny Kim. NASA astronaut Jonny Kim has posted his first time-lapse ...

NASA astronauts Nichole Ayers and Anne McClain were the latest to share images of lightning as seen from 250 miles above ...

After undocking, Dragon maneuvered to a safe distance away from the space station and began a series of deorbit burns to ...

The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these measurements far more accurate.

Even though the International Space Station (ISS) is moving at a very high speed, astronauts inside don't feel like they're ...

The International Space Station orbits Earth at about 260 miles (420 kilometers) above the planet. Look carefully at Ayers' and Onishi's feet and you can see they are hooked under a blue metal bar ...

Anne McClain is set to talk with Earth’s schoolchildren Tuesday from the International Space Station. In a “downlink ... while floating 250 miles above the Earth’s surface in a video ...

NASA astronauts Suni Williams and Butch Wilmore had to wonder if they’d ever make it back to the Earth’s surface. As Williams and Wilmore approached the International Space Station last year ...

What a view it must be for astronauts at the International Space Station. Spanish astronaut Pedro Duque shared some fascinating information on the most stunning display visible fr ...