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 ...

Two hobbyists show how they can pull off SpaceX’s trick at a smaller scale with custom hardware and a few years of effort. Two hobbyists show how they can pull off SpaceX’s trick at a smaller scale ...

Rocket engineering is shifting from painstaking machining and welding to a world where engines and tanks emerge from printers as single, sculpted pieces of metal. Instead of treating 3D printing as a ...

Aerospike rocket engines are the stuff of legend in the space industry. Conceived in the 1960s, their unique spiked-nozzle design promises better efficiency, reusability, and performance at all ...