The first of four RS-25 engines that will power NASA’s Artemis III mission has arrived inside the Vehicle Assembly Building ...

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

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

First Artemis III Engine Hits Kennedy. The first of four RS-25 main engines that will power NASA’s Artemis III Space Launch ...

There has been only one mission of the Artemis program to date, an uncrewed test flight of the Orion spacecraft that was conducted back in 2022. Judging this solely from this perspective, you could be ...

Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18. Credit: NASA/Danny Nowlin NASA’s Stennis Space Center ...

Nasa names its next Artemis crew, though they will not be walking on the Moon or even going anywhere near it.