This was the third successful test of the RS-25 engines. When SLS launches, there will be four RS-25 engines helping it lift off — as well as two solid rocket boosters. In total, the rocket will ...

NASA has been conducting a series of hot fire tests to certify RS-25 engines for use on the Space Launch System rockets that will launch Artemis missions to the moon. The penultimate test in the ...

HANCOCK COUNTY, Miss. (WLOX) - NASA said it will conduct a rocket test today for one of its RS-25 engines at Stennis Space Center. The test will take place at the Fred Haise Test Stand and will ...

The RS-25 team at the Stennis Space Center in Mississippi began the next development test series on Tuesday afternoon. Development Engine 0525 (E5025) was back in the A-1 test stand at Stennis for ...

A ground test RS-25 engine has conducted another test firing Thursday afternoon while held in place in a stand at the Stennis Space Center in Mississippi. After Tropical Storm Gordon and most of ...

This vastly superior engine outperforms the RS-25 engine that was used on the Space Shuttle and is still used on the SLS (Space Launch System). The RS-25 engine costs about $100 million each while the ...

NASA conducted the third RS-25 engine hot fire in a critical 12-test certification series Nov. 29, demonstrating a key capability necessary for flight of the SLS (Space Launch System) rocket ...

The eighth and final test, called the engine "hotfire", will pick up from the 33-second mark. With the core stage anchored to the stand, the hotfire will see its four powerful RS-25 engines fired ...

In what's known as a "hot fire" test, the four RS-25 engines roared to life at 4:37 p.m. ET, producing about 2 million pounds of thrust. They continued roaring for more than eight minutes - the ...