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'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 ...

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

9.6K. The RS-25 team has conducted the latest hot-fire test of development engine 0528 at the Stennis Space Center in Mississippi on Wednesday. While the team continues to wait for delivery of ...

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

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.

The flight certification test of RS-25 engine No. 2059 marks a major milestone in NASA’s return to deep-space exploration and its journey to Mars.