A compact rocket engine that uses a continuously rotating detonation wave has attracted $91 million in fresh funding.

Fire, smoke, and the roar of a rocket engine blasted the Colorado prairie – the Ablative Mark 1 test was an exciting victory. A student club project at the University of Colorado Boulder, the static ...

A new generation of space rockets is inching closer to launch. Private space company Astrobotic recently revealed it carried out a successful test of two of its rotating detonation rocket engines ...

The Artemis II mission is set to launch four astronauts atop NASA’s SLS (Space Launch System) rocket later today – and while this specific rocket is only flying on its second mission, its core stage ...

After months of tireless work, long nights, and meticulous preparation, the Drexel Rocket Team has successfully completed a static fire test of their debut liquid rocket engine, Ambition-1. While ...

Full system test fire of the Lieyan-2 rocket engine in early 2026. Credit: Spark Space PADUA, Italy — Chinese startup Spark Space has secured a series of funding rounds for what it claims will be the ...

Liquid rocket engines are critical propulsion systems in launch vehicles, operating under extreme thermal and mechanical conditions. Ensuring their reliable performance demands continuous health ...

Jeff Thornburg helped turn a government research project into SpaceX’s most powerful rocket engine. Now, he’s trying to do the same thing at his startup Portal Space Systems, which is taking an idea ...

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 ...

Three of the four RS-25 engines powering the Artemis II mission previously flew on NASA’s Space Shuttle fleet. The engines are cooled by liquid hydrogen to prevent the nozzle from melting from the ...