The latest hot-fire of NASA’s Artemis moon rocket engine at Stennis Space Center was more than a dramatic plume on the Mississippi horizon, it was a proof point that the agency’s heavy-lift strategy ...

NASA tests RS-25 engine No. 20001 on Friday, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. Test teams fired the engine for almost 500 seconds, the same ...

Raised up to launch position less than 24-hours prior, Blue Origin's New Glenn rocket roared to life on its Florida launch pad in preparation for an upcoming mission to Mars. On the night of Oct. 30, ...

Flames stream from New Frontier Aerospace’s Mjölnir rocket engine during a hot-fire test. (NFA Photo) Kent, Wash.-based New Frontier Aerospace says it has put its 3D-printed Mjölnir rocket engine ...

June 23 (UPI) --NASA fired up a full-duration test of its new RS-25 engine that will power the Space Launch System rocket on Artemis missions to the moon, the space agency announced Monday. NASA ...