Japan’s H3 rocket suffered engine trouble on December 22, 2025, and failed to place a Japanese navigation satellite into ...

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 ...

However, there are two major problems with nuclear rockets. First, the heat generated has to be carefully controlled if you don't want the engine to end up simply melting. The other is how to control ...

A US-based propulsion company has successfully launched and flown a new rocket powered by a unique rotating detonation engine. Although relatively small by rocket standards, the test could pave the ...

The rise of the commercial space industry precipitated a steeper decline at Rocketdyne. Boeing sold the Rocketdyne division ...