New Frontier Aerospace says it has put its 3D-printed Mjölnir rocket engine through a series of successful hot-fire tests.

Born into this world as America's first liquid hydrogen rocket engine, it was continuously improved, and it will continue to be so for many years to come. The newest iteration of the powerplant? A ...

KENT, Wash., June 23, 2025 /PRNewswire/ -- New Frontier Aerospace (NFA) has achieved a major milestone with a series of successful hot fire tests of its 3D-printed Mjölnir rocket engine, the ...

There’s a new liquid rocket on the launchpad, and it’s definitely not like the rockets of days past. It’s called a rotating detonation engine, or RDE, and those detonations are what make it ...

Modern rockets, which use a liquid or solid fuel, didn't come into being until a scientist named Dr. Robert H. Goddard developed and launched the first liquid-fueled rocket on March 16, 1926.

Students have reached a major milestone for Northern Ireland’s space sector with the development of the Kelvin Mk1 liquid ...