First Artemis III Engine Hits Kennedy. The first of four RS-25 main engines that will power NASA’s Artemis III Space Launch ...

BAY ST. LOUIS, Miss — NASA's final test of its Space Launch System (SLS) rocket to make sure it was ready to launch future Artemis Moon missions experienced early engine shutdown. The core stage ...

June 23 (UPI) --NASA fired up a full-duration test of its new RS-25 engine that will power the Space Launch System rocket on Artemis missions to the moon, the space agency announced Monday. NASA ...

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. The test lasted about "eight-and-a-half minutes (500 seconds), the same ...