Artemis I, for instance, which took off back in 2022, did so thanks to a SLS powered by four RS-25 engines. All of them had already been flown on the Space Shuttle at some point in the past.

X has run into serious issues trying to get a prototype upper stage of its Starship to launch into orbit, then make a soft landing.

NASA's newest space shuttle, Atlantis, made its public debut during a rollout ceremony at the Rockwell International ...

After several delays, NASA said Friday that space shuttle Discovery is scheduled for launch in five days. Commander Lee Archambault and his six crewmates are now scheduled to lift off to the ...

This photo provided by United States Space Force the X-37B Orbital Test Vehicle-7 (OTV-7), the U.S. Space Force’s dynamic unmanned spaceplane, successfully deorbited and landed at Vandenberg ...

HANCOCK COUNTY, Miss. (WLOX) - NASA marked a milestone on Tuesday, February 18 with the installation of an RS-25 engine at the Stennis Space Center in Hancock County. The engine was installed on ...