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 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.

At 4:02 p.m. on June 20, the humid air over Bay St. Louis, Mississippi, cracked open with a sound like every freight train in ...

NASA and L3Harris have successfully test-fired the first RS-25 rocket engine, to help power the fifth launch of the SLS ...

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

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