NASA has just tested a game-changing rocket engine that could revolutionize space ... USAID signs pulled from HQ as judge puts 'limited' block on Trump bid to dismantle agency ...

Stoke Space successfully hotfired its first-stage rocket engine on a new vertical ... It’s the first hotfire of the company’s Block 2 (flight layout) stage 1 engine, and this engine ...

SpaceX's Starship launcher spun out of control minutes after liftoff Thursday, showering fiery debris over the Bahamas and dealing another setback to Elon Musk's rocket program after a failure under ...

Most any rocket engine you’d find on a spacecraft – save for solid or hybrid rockets – use an engine system that’s fairly complex. Because of the intense heat, the fuel is circulated ...

The Akronauts Rocket Design Team aims to become one of the few collegiate teams to reach space with their Emergence series of rockets.

China says it fired up the world’s largest single-segment solid-fuel rocket engine for the first time, at a ground testing facility in the country’s northwest on Tuesday. The rocket’s 3.5 ...

Liquid fuelled engines are throttleable and monstrously powerful, but highly complex. Meanwhile, solid rocket engines are simple and cheap, but once you light them, they’re going full-bore until ...