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

Originally developed in the 1970s for the Space Shuttle Program when it was known as the Space Shuttle Main Engine (SSME), RS-25 hot-fire testing began at Stennis in January 2015, to demonstrate ...

NASA carried out a critical hot fire of the redesigned RS-25 engine April 26 at NASA’s Stennis Space Center in Bay St. Louis, Mississippi, demonstrating the gimbaling, ...

NASA's new RS-25 engine No. 20001 underwent a full-duration "hot-fire" test, replicating actual launch time and power levels.

The RS-25 engine team has conducted the latest engine controller unit (ECU) hot-fire acceptance test on Tuesday in the A-1 test stand at the Stennis Space Center in Mississippi. NASA, RS-25 prime ...

NASA conducted the first hot fire on Wednesday in a new series of tests for production of RS-25 engines that will help power the agency’s Space Launch System (SLS) rocket on future deep space ...

Aerojet Rocketdyne, a GenCorp (NYSE:GY) company, successfully completed the first in a series of hot-fire tests on the RS-25 rocket engine, which will help power NASA’s new Space Launch Syste… ...

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 ...

NASA will start hot fire testing Wednesday for the production of new RS-25 engines that will power future Artemis missions to the Moon, and eventually Mars. Top News U.S. News ...