The second RS-25 engine has been attached to the core stage for NASA’s Space Launch System (SLS) rocket for the agency’s Artemis missions. Engineers and technicians at NASA’s Michoud Assembly Facility ...

Aerojet Rocketdyne, a subsidiary of Aerojet Rocketdyne Holdings, Inc. announces the four RS-25 engines slated to fly on Exploration Mission-1 (EM-1), the maiden flight of NASA’s Space Launch System ...

Weirdly enough, the most powerful space rocket NASA has ever designed is powered by engines born more than four decades ago: the Space Launch System (SLS) rocket, the backbone of the Artemis Moon ...

Aerojet Rocketdyne, an L3Harris Technologies Company, is helping install four of its RS-25 liquid-propellant rocket engines in NASA’s second Space Launch System (SLS) core stage at the agency’s ...

While NASA’s Artemis program may ultimately abandon the Space Launch System rocket, for now, Melbourne-based L3Harris is pushing forward with the manufacture of the powerful rocket’s core stage ...

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

NASA has completed a 535-second test of its Space Launch System (SLS) RS-25 rocket engine to collect engine performance data. The test was conducted at NASA’s Stennis Space Center near Bay St. Louis, ...

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STENNIS SPACE CENTER, Miss., March 23, 2017 (GLOBE NEWSWIRE) -- An RS-25 rocket engine with a new flight-model engine controller and flight configuration software was successfully tested for the first ...

Company now has RS-25 controllers for the first four SLS missions at its Stennis facility 13 flight controllers have been successfully hot-fire tested SLS RS-25 engines remain on track for EM-1 and ...

NASA performs an RS-25 rocket engine hot fire test on Jan. 17. Credit: NASA Test personnel at NASA’s Stennis Space Center have successfully conducted the fourth in a second round of 12 ground test ...