Rocket engines sometimes commit to one nozzle shape and live with it. Integza decided that was unnecessarily permanent. In a 16-minute video, the engineering creator built a small propane-and-air ...

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 ...

Build a new kind of rocket engine and the world will beat a path to your door. Or at least that’s how it’s worked out for Venus Aerospace and its Rotating Detonation Rocket Engine (RDRE), an ...

Shift Aerospace uses bio-derived materials for hybrid rocket engines that could replace scarce solid motors at lower cost.