Either way, the video after the break is proof of the dangers involved in this hobby. Testing the engine thrust with a bathroom scale ends badly for the scale. There is something satisfying about ...

Private space company Stoke announces a new design for a rocket engine that could make the Nova launcher's second stage ...

For this early prototype, power is solely from hobby rocket motors ... Of course, if you can’t lay your hands on rocket engines, you could always consider spinning up your own.

Rosatom scientists have developed a laboratory prototype for a plasma electro-reactive rocket engine based on a magnetic ...

Dave Limp told CNBC that he only had one question for Jeff Bezos when he interviewed last year to become CEO of Blue Origin: Is it "a hobby or a business?" ...