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

NASA has completed a 535-second test of its Space Launch System (SLS) RS-25 rocket engine to collect engine performance data. The test was conducted at NASA’s Stennis Space Center near Bay St. Louis, ...

NASA conducts an RS-25 hot fire on the Fred Haise Test Stand at Stennis Space Center in south Mississippi on Dec. 14. Credits: NASA/SSC NASA conducted the first test of the newly redesigned RS-25 ...

The latest hot-fire of NASA’s Artemis moon rocket engine at Stennis Space Center was more than a dramatic plume on the ...

NASA's revolutionary X-59 jet is steadily progressing towards its first flight test. Starting on Oct. 30, engineers with NASA's X-59 Quesst program (Quiet SuperSonic Technology) have been conducting ...

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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 ...

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 ...

NASA’s Artemis campaign advances with its most sophisticated vacuum chamber testing, aiming to safeguard upcoming Moon ...

Nov. 6 (UPI) --NASA engineers fired the engines on the X-59 research aircraft in advance of planned test flights to determine if the aircraft can reduce sonic booms and make supersonic flight over ...

NASA and Boeing say they have wrapped up ground testing on Starliner's engines at the agency's White Sands Test Facility in New Mexico. While the team is not quite ready to give astronauts Butch ...