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, ...

Debris scatters on June 26, 2025, during a static fire test of a new solid rocket motor at a Northrop Grumman facility in Utah. The motor is supposed to be used in later Artemis moon missions. A test ...

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 ...