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 ...

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 ...

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

NASA tested a Space Launch System rocket RS-25 engine at the Stennis Space Center. Credit: NASA Stennis Space Center ...

NASA tested RS-25 engine No. 20001 on June 20, at the Fred Haise Test Stand at NASA's Stennis Space Center at Bay St. Louis, ...

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