Ursa Major Technologies has completed the first hot-fire tests of its Hadley H13 liquid rocket engine, a milestone the company says could support reusable hypersonic test vehicles and smaller launch ...

Welcome to Edition 8.13 of the Rocket Report! It’s difficult for me to believe, but we have now entered the fourth quarter of the year. Accordingly, there are three months left in 2025, with a lot of ...

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 ...