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

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. The test lasted about "eight-and-a-half minutes (500 seconds), the same ...

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

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

Rotating detonation rocket engines work differently than traditional rockets to maximize thrust while using less fuel—an ...

This photo provided by NASA shows the Artemis II SLS (Space Launch System) rocket with the Orion spacecraft atop a mobile launcher at Launch Complex 39B, Thursday, Jan. 29, 2026, at NASA's Kennedy ...

NASA’s massive core stage of the SLS rocket inside the agency’s VAB at NASA Kennedy NASA’s top four-fifths of the SLS (Space Launch System) core stage for the Artemis III mi ...