NASA fired up a full-duration test of its new RS-25 engine that will power the Space Launch System rocket on Artemis missions ...

NASA carried out a critical hot fire of the redesigned RS-25 engine April 26 at NASA’s Stennis Space Center in Bay St. Louis, Mississippi, demonstrating the gimbaling, ...

NASA's new RS-25 engine No. 20001 underwent a full-duration "hot-fire" test, replicating actual launch time and power levels.

NASA’s latest hot-fire of RS-25 engine No. 20001 roared for the full 500-second launch profile, proving it can blast the ...

The “hot-fire” RS-25 engine is in the final round of testing before being certified for production for future Artemis missions to the moon and beyond.

The newly installed RS-25 engine is the first of 24 new flight engines being built for missions, beginning with Artemis V. NASA will soon conduct a full-duration, 500-second hot fire test on the ...

NASA performs an RS-25 rocket engine hot fire test on Jan. 17. Credit: NASA Test personnel at NASA’s Stennis Space Center have successfully conducted the fourth in a second round of 12 ground ...

NASA will start hot fire testing Wednesday for the production of new RS-25 engines that will power future Artemis missions to the Moon, and eventually Mars. Top News U.S. News ...