This year is the 25th anniversary of humans inhabiting the International Space Station. A new PBS documentary looks at how the ISS was built and the challenges of surviving in outer space.

Personal tales of bravery, tragedy, daring and triumph, United in Space unveils the remarkable story of one of humanity’s ...

Docking occurred at 5:30 p.m. ET. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SpaceX's two-person Crew-9 mission arrived at the International ...

NASA said two of the helium valves have been closed. Boeing's Starliner successfully docked at the International Space Station (ISS) Thursday afternoon, marking another milestone in the first ...