The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

South Korea's Agency for Defense Development (ADD) has awarded Hanwha Aerospace a new contract to develop a more powerful ...

Artemis 2's Space Launch System rocket core stage was fitted with 4 RS-25 engines at NASA’s Michoud Assembly Facility in New ...

New G20E engine was originally claimed to make 395 hp but Toyota now says the engine can be pushed much harder ...

NASA followed last week's low-key engine test with the test-firing of a solid-fueled booster at Northrop Grumman's rocket ...