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 ...

Screenshot from social media post of Ukrainian volunteers assembling a small cruise missile with a pulsating Trembita engine. Its task is to destroy objects and exhaust the enemy’s anti-aircraft ...

Ever since SpaceX made reusability the most desirable trait of a spacefaring operation, all the companies working in this industry have shifted their attention toward making hardware that can fly to ...

SpaceX owns 98% of global rocket launches, a monopoly with virtually no competition. Only China is competing with Elon Musk at this point in number of launches and, while the country is getting closer ...

SpaceX currently controls nearly every rocket launch on Earth. With 98% of global orbital launches under its belt, Elon Musk's company has become the de facto gatekeeper to space. While China is still ...

The Earth is much larger than most people realize. You need to use engines if you want to efficiently navigate large sections of the planet. Everything from cars to planes relies on engines, but they ...