NASA and SpaceX have delayed Thursday’s planned launch of the Crew-11 mission to the International Space Station (ISS). The ...

The SLS, NASA’s ambitious but outdated rocket, is a relic of past programs. Why does it exist in a world dominated by ...

The X-37B, the US Space Force's secretive space plane, will soon take flight again.

— “NASA Space Launch System (SLS) Advanced Development, Affordable Upper Stage Engine Program (AUSE) Study,” Pratt & Whitney Rocketdyne, Inc., Jupiter, Fla.

After a scrubbed launch on Thursday, four astronauts lifted off from Florida and will dock at the International Space Station on Saturday.

NASA is working on a next-generation launch system called Space Launch System, or SLS, hoping to create a transport system to take astronauts of the future to the Moon and beyond. Now NASA has ...

NASA's Space Launch System rocket, reflected in the turn basin at the Kennedy Space Center in Florida, rolls out for a fourth attempt at a wet dress rehearsal on June 6, 2022. Credit: Trevor Mahlmann ...

In a bit of an oops, Australia's return to space after almost 54 years hasn't exactly gone to plan. On July 30, 2025 at the ...

After years of preparation and two false starts, NASA’s heavy-lift Space Launch System has finally taken off and entered orbit. It’s a big win for the space agency — even as it assigns to ...