Add Yahoo as a preferred source to see more of our stories on Google. China has tested a powerful engine that can carry weapons at remarkable speeds through both air and water. The novel engine ...

India achieves a 1,200-second scramjet runtime in hypersonic cruise missile technology. What is this technology? How is it different from a ballistic missile? What is the difference between a scramjet ...

Alliant Techsystems (NYSE: ATK – News) successfully certified its Advanced Propulsion Research Complex (APRC) during a recent direct-connect test of a Variable Flow Ducted Rocket (VFDR) propulsion ...

Japan has completed a ground combustion test of a ramjet engine designed for a ...

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) ...

The simplest of jet engines, the ramjet compresses air to subsonic speed by the ram-effect of its forward motion. The compressed air is mixed with fuel within the engine, and ejected through a ...

LONDON — Surface-to-air missiles with ramjet sustainer engines might be poised for a comeback. The Norwegian energetics and propulsion specialist is developing a ramjet engine that it believes could ...

A small group of Australian scientists made aviation history July 30 with the successful atmospheric test of a supersonic air-breathing engine in flight. Working with a budget most big science ...

Going really fast has always been one of the major goals of air-breathing aircraft ("air-breathing" meaning that it's not powered by a rocket, and relies on air for fuel combustion) development since ...