The engine was installed on the Fred Haise Test Stand and will help power the Space Launch System (SLS) rocket on future Artemis missions to the Moon. The newly installed RS-25 engine is the first ...

On July 25, NASA tested one of its RS-25 engines. The RS-25 engine isn't just any engine — it's a rocket engine that will launch the most powerful rocket in history — the Space Launch System ...

Restart of RS-25 rocket engine production is ramping up at prime contractor Aerojet Rocketdyne’s Canoga Park facility in the Los Angeles area. Components for the next test series that will help ...

Credit: NASA/Danny Nowlin NASA’s Stennis Space Center will begin acceptance testing next month of newly manufactured Space Launch System (SLS) RS-25 rocket engines developed by L3Harris for ...

Read Explore the March 2025 issue, highlighting the installation of the new production RS-25 engine at NASA Stennis, and ...