The only people who value ease of maintenance at a cheap cost to manufacture, more than NASA, are people cruising Craigslist and eBay for a low-mileage 350 small-block Chevy motor at three in the ...

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 ...

Using supersonic shockwaves for combustion, the groundbreaking design could allow aircraft to travel up to six times the speed of sound. Reading time 4 minutes Venus Aerospace is a winner of the 2025 ...

Pulsar Fusion, a UK-based rocket startup, says it fired plasma inside its Sunbird nuclear fusion rocket engine during a live demonstration on March 25, 2026, at a conference in California. The company ...