The nearest US competitor to SpaceX was Rocket Lab, with 14 launches and 33 spacecraft. The competition in "upmass," that is ...

NASA astronauts Suni Williams and Butch Wilmore spoke about their continued stay aboard the International Space Station ...

Astronauts Suni Williams and Butch Wilmore, who have been stranded at the International Space Station for nine months, closed ...

The two astronauts who crewed the Boeing Starliner have greeted their replacements, who docked Sunday morning at the ...

NASA removed two astronauts from its Crew-9 mission to allow for Williams and Wilmore to join the cohort, and return onboard ...

CAPE CANAVERAL, Fla. (AP) — The replacements for NASA’s two stuck astronauts launched to the International Space Station on ...

A SpaceX capsule carrying a fresh crew to the space station launched Friday, setting the stage for the Starliner astronauts ...

Tesla and SpaceX have had a rough couple of months, but the highly anticipated return flight of two NASA astronauts is a ...

Rocket Lab's consistency and flexibility makes it a potential future rival to SpaceX in the satellite and rocket space sector ...

After their unexpected extended stay onboard the space station, here's what comes next for the Starliner astronauts.