Proving that you can't keep a good technology down, Reaction Engines' Synergetic Air-Breathing Rocket Engine (SABRE) has a new lease on life after a British-led consortium announced Invictus, a new ...

While the World War II era was the first time we saw fighter jet engines take to the sky, there were some earlier operational prototypes. Anselm Franz, an Austrian engineer, designed and fitted one of ...

Rotating Detonation Engines (RDE) have been flown by Venus Aerospace. They use continuous detonation waves for propulsion and provide 15% efficiency gains (in specific impulse or fuel consumption) ...