NASA has been conducting a series of hot fire tests to certify RS-25 engines for use on the Space Launch System rockets that ...

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...

Earlier this year, rocket scientists at NASA fired up an electromagnetic thruster powered by lithium metal vapor.

Astrobotic, a developer of lunar landers and suborbital rockets, has successfully tested an advanced rocket engine that could ...

Inside a long vacuum chamber in Southern California, a spacecraft engine glowed white-hot as it pushed toward a level of ...

The Artemis II mission is set to launch four astronauts atop NASA’s SLS (Space Launch System) rocket later today – and while this specific rocket is only flying on its second mission, its core stage ...

The Artemis III Orion and its European Service Module, which includes its main propulsion, are also already at KSC. Also ...

When Artemis II blasts off for its lunar flyby, its powerful SLS rocket will include some "heritage hardware." The core engines are mostly recycled space shuttle engines, along with some reused ...

Rotating detonation rocket engines (RDREs) work differently from conventional designs. Typical rocket engines rely on a ...

Three of the four RS-25 engines powering the Artemis II mission previously flew on NASA’s Space Shuttle fleet. The engines are cooled by liquid hydrogen to prevent the nozzle from melting from the ...