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 ...

SLS (Space Launch System) uses a 50 year old rocket engine design that now costs $145 million each (not including labor and ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi.

American space agency NASA said it fixed one of the RS-25 engines that was supposed to be part of the Artemis II mission, ...

HANCOCK COUNTY, Miss. (WLOX) - NASA and L3Harris Technologies successfully conducted a full-duration hot fire test of a second RS-25 engine at Stennis Space Center in Hancock County. The engine will ...

HANCOCK COUNTY, Miss. (WLOX) - NASA marked a milestone on Tuesday, February 18 with the installation of an RS-25 engine at the Stennis Space Center in Hancock County. The engine was installed on the ...

Almost four months after the American space agency NASA installed the first newly built RS-25 Space Shuttle engine on the Fred Haise Test Stand at the Stennis Space Center in Mississippi, hardware ...

NASA conducted a test of its newly redesigned RS-25 engine for future flights of the Space Launch System (SLS) rocket.

However, NASA has not yet chosen an official launch date, and will not do so until the Artemis II stack passes its Wet Dress ...