A 155mm artillery shell left the barrel of a standard NATO howitzer, climbed into open air, and then did something no ...

American researchers are finally getting a real-time view inside one of the most unforgiving propulsion systems in service, the solid-fuel ramjet, and the payoff could be missiles that fly farther on ...

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 ...