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

At Stennis Space Center, NASA conducted another successful hot fire test of an RS-25 engine at the Fred Haise Test Stand.

NASA is getting ready to launch its massive, fully expendable rocket for the first crewed flight to the Moon since Apollo.

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. The test lasted about "eight-and-a-half minutes (500 seconds), the same ...

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

The RS-25 engine will be used to carry humans on eventual mission to Mars. — -- NASA said it has cleared a milestone in the path to ushering in the next era of human space exploration after ...

Cold weather could accelerate key Artemis II rocket test at Kennedy Space Center ...

HUNTSVILLE, Ala. (WHNT) – NASA teams in Florida are moving closer to a major test for the Artemis II mission, the first planned crewed flight of the Space Launch System rocket and Orion spacecraft ...

Despite president Donald Trump’s plans to phase out Boeing’s mega-expensive Space Launch System rocket for NASA, the agency is currently trundling ahead with the original plan. As Ars Technica reports ...

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.