The Space Launch System, or SLS, is the space agency's newest and most powerful rocket to date and will return astronauts to the moon at some point in 2024 or 2025 as part of the Artemis program.

The SLS, NASA’s ambitious but outdated rocket, is a relic of past programs.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

NASA's massive Space Launch System sits at launch pad 39B at the Kennedy Space Center in in Cape Canaveral, Fla., early Monday morning before NASA scrapped its planned launch attempt.

Live updates from the July 29 launch of the SpaceX Starlink 10-29 mission from Launch Complex 40 at Cape Canaveral Space ...

The testing campaign for NASA's super big, super expensive Space Launch System is now complete, the agency declared on Friday. The launch could occur as soon as late August, NASA officials said ...

On May 27, the ninth test lifted off at Vandenberg Space Force Base in California. While the vehicle successfully reached the ...

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