Revolutionary engine prototype three decades in the making could replace combined turbine-ramjet systems in high-speed flight.

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 ...

A jet engine is any engine that can propel an aircraft of some kind via rearward expulsion of a jet of fluid, typically a hot exhaust gas that the engine generates by drawing in fuel from the ...