In his final weeks aboard the ISS after six months in orbit, NASA astronaut Matthew Dominick has shared a gorgeous time-lapse ...

The comet, which has been generating excitement among astronomers and skywatchers, is currently visible in Earth's skies as ...

NASA's SpaceX Crew-9 mission is now scheduled to launch Sept. 26 for its journey to the International Space Station, pushing ...

As Suni Williams and Butch Wilmore spend months longer than planned on ISS, three astronauts tell us what life is like in ...

Two ISS crews are gearing up for departure, with NASA astronaut Tracy Dyson and cosmonauts Kononenko and Chub returning to ...

Astronauts on the International Space Station age slightly slower than the rest of us on Earth due to time-dilation effects.

A new video from an astronaut's vantage point in space captures a bright green burst over Earth as a meteor exploded in the ...

The subtle changes in time due to gravity’s denser passage on the Earth’s surface are a major reason why experts call for the moon to be given its own time zone — as even the planet’s best atomic ...

Boeing's Starliner undocked from the ISS on Friday and is heading back to Earth, without the NASA astronauts it brought to ...

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door ...

Boeing's Starliner capsule is all packed up and ready to depart the International Space Station today (Sept. 6) at 6:04 p.m.

Expedition 71 crew members on the International Space Station tested groundbreaking technologies including an artificial ...