It's this two-year disparity that concerns NASA officials plotting the final days of the ISS. NASA awarded SpaceX a contract ...

Two cosmonauts have set the record for the most days spent continuously aboard the International Space Station (ISS), ...

A video filmed by NASA astronaut Matthew Dominick shows a rare glimpse of Comet Tsuchinshan-ATLAS as seen from the ...

Astronauts perform so many out-of-this-world experiments on the International Space Station (ISS). They use a specially-built ...

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

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

A remarkable photo taken by an astronaut aboard the ISS shows SpaceX’s Polaris Dawn Crew Dragon capsule entering Earth’s ...

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

Two Russians, Oleg Kononenko and Nikolai Chub, set a record for the longest continuous stay on the International Space ...

Tracy C. Dyson is from Arcadia and earned a doctorate in chemistry at UC Davis in 1997. She’s on the ISS as part of her third mission to space. She previously was a mission specialist on the Space ...

Oleg Kononenko and Nikolai Chub have spent more than 370 days on the International Space Station beating a previous ...

Russian cosmonauts Oleg Kononenko and Nikolai Chub have set a new record for the longest single mission aboard the ...