I’ve grown up with rockets that burn chemical fuel, but NASA’s next big leap in propulsion could make those engines look as dated as steam trains. By turning to nuclear power in space, the agency is ...

There has been only one mission of the Artemis program to date, an uncrewed test flight of the Orion spacecraft that was conducted back in 2022. Judging this solely from this perspective, you could be ...

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

A test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to launch astronauts on a ...

HANCOCK COUNTY, Miss. (WLOX) - NASA and L3Harris Technologies successfully conducted a full-duration hot fire test of a second RS-25 engine at Stennis Space Center in Hancock County. The engine will ...

NASA vs SpaceX rockets compared on cost, technology, and performance, revealing how reusability and innovation reshape modern ...

This engine won't be fueling interstellar missions, but still finds an unexpected way to use deep space energy to generate power. Reading time 3 minutes Deep space may provide hidden sources of energy ...

NASA Artemis 2 mission after encountering hydrogen leaks during a fueling test of the Space Launch System. The Space Launch System (SLS) and Orion spacecraft ...

Plasma propulsion transforms an inert propellant – often hydrogen – into plasma, a superheated mix of ions and electrons.