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 ...

(Image: Concept image of Lockheed Martin's planned SR-72 hypersonic strike aircraft to serve as a replacement for the SR-71 Blackbird.) It is not yet clear what aircraft DARPA has in mind for the new ...

The US Air Force’s Arnold Engineering Development Center (AEDC) has announced completion of a hot flow test on a… The US Air Force’s Arnold Engineering Development Center (AEDC) has announced ...

China has tested a powerful engine that can carry weapons at remarkable speeds through both air and water. The novel engine achieved 90% efficiency in laboratory tests, which were conducted in ...

In March 2025, a missile launched from a test range in the Pacific arced into the upper atmosphere, separated its rocket booster, and released an unpowered wedge-shaped glide body that streaked toward ...

2004-11-17 04:00:00 PDT Kern County-- NASA's supersonic surfboard, the unmanned X-43A aircraft, streaked into history Tuesday, setting an unofficial world speed record for jet aircraft of Mach 9.6, or ...

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 ...

ATLA is working to develop a scramjet engine to power various hypersonic vehicles, including a cruise missile. (ATLA/Japan MoD) Japan is preparing to conduct the first combustion flight test of its in ...

An adapted scramjet called a "sodramjet" could reach Mach 16 flight by leveraging sonic booms. The experimental engine is Chinese, but based on American ideas dating back 40 years or more. Turning ...