China has conducted a successful maiden flight of a miniature turbojet engine manufactured entirely with 3D printing, a development that explores new methods for tackling difficulties in aerospace ...

Hydrogen-powered planes are set to take wing around the world in the future. To make this possible, engineers have to develop the jet engines that will power them. Experiments by researchers are now ...

Bob Maddox’s stage name, Crazy Rocketman, is a misnomer. Maddox doesn’t build rockets. He builds pulse-jet engines. There’s a difference. As for the crazy part—that may be true. Maddox is the world’s ...