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

This RS-25 engine will fly. “Every test is important, but there really is a different energy level associated with flight engines,” said Ronnie Rigney, RS-25 project manager at Stennis.

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 ...

NASA followed last week's low-key engine test with the test-firing of a solid-fueled booster at Northrop Grumman's rocket ...

American space agency NASA conducted the first full duration hot fire of a brand-new RS-25 rocket engine since the hardware ...

HANCOCK COUNTY, Miss. (WLOX) - On Wednesday, a milestone test was conducted at Stennis Space Center for the RS-25 engines that will carry astronauts back to the moon and beyond.

While NASA’s Artemis program may ultimately abandon the Space Launch System rocket, for now, Melbourne-based L3Harris is ...

While the fate of NASA’s Space Launch System (SLS) rocket hangs in the balance, the agency is pushing ahead with tests of new ...

The images show engine tests at Stennis Space Center in Mississippi, a NASA spokesperson said. The RS-25 is a rocket engine, not a device used to control the weather.