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

Genetic analysis shows that microbes growing inside the International Space Station have adaptations for radiation and low ...

But Starliner's cockpit was empty as it flew back to Earth Friday night. Last month, NASA managers decided to keep Wilmore ...

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

NASA opted to bring the ship home without astronauts Butch Wilmore and Suni Williams, deeming the risk too great despite ...

Boeing's troubled Starliner capsule successfully undocked from the International Space Station Friday and headed back for New ...

Billionaire Kam Ghaffarian's startup wants to build a space station to replace the ISS. But missteps, dire financials and ...

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

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 ...

Don Pettit is replacing astronaut Tracy Dyson, who plans to return to Earth on Sept. 23, after a six-month stay aboard the ...

Astronauts Suni Williams and Butch Willmore are set to give an update on their mission, about one week since the Starliner ...

ISS astronaut Don Pettit shared a photo from space of the large fire that's been burning southeast of Houston since Monday ...