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

As some of you might already know, the engines are called RS-25, are made by Aerojet Rocketdyne, and they been used before, as the main engines of the space shuttle.

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 ...

With the SLS design, four engines sit at the base of the rocket's core stage directly next to a pair of solid rocket boosters. That means the RS-25 engine nozzles will be subject to extreme base ...

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

Each RS-25 engine can produce 2 million pounds of thrust, which, combined with the two five-segment solid rocket boosters, will offer 8.8 million pounds of thrust at launch.

In November 2015, NASA awarded Aerojet Rocketdyne $1.16 billion to adapt the 16 mothballed SSMEs to the new launch system and restart the production line for six new engines, now renamed the RS-25.