SpaceX just took a big step toward its next Starship test flight, firing up all 33 engines of the vehicle's Super Heavy on ...

SpaceX has reached a pivotal moment in its quest to launch the most powerful rocket in history. After successfully firing up ...

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

Space startup Astrobotic put its rotating detonation rocket engine (RDRE) to the test for the first time, demonstrating a potentially groundbreaking technology that generates thrust by supersonic ...

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 ...

Russian researchers are testing a new plasma propulsion system that may accelerate future missions to Mars, reducing travel time from months to just one or two. The engine, developed by Rosatom’s ...

Jeff Thornburg helped turn a government research project into SpaceX’s most powerful rocket engine. Now, he’s trying to do the same thing at his startup Portal Space Systems, which is taking an idea ...

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