COLORADO SPRINGS—Sierra Nevada Corporation (SNC) and startup Specter Aerospace plan to develop and flight test a supersonic ramjet-powered cruise missile under a collaborative agreement signed between ...

January 29, 2026: India recently announced that it had developed a 155mm Ramjet 155mm artillery shell. A ramjet is an air-breathing engine that requires no compressor or turbine because the high speed ...

U.S. Army researchers have revealed an experimental air defense interceptor powered by a dual-cycle, rocket-ramjet propulsion system. The Red Wasp program is evaluating how to package a solid fuel ...

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Navy successfully air-launched a Solid Fuel Integral Rocket Ramjet (SFIRR) from an unmanned vehicle for the first time, ...

In brief: Researchers in China have successfully tested the world's first boron ramjet engine that can operate both in the air and underwater. The engine was originally conceived for hypersonic ...

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 ...

When is an empty tube not an empty tube? When it's a ramjet that uses rotating detonation technology to propel aircraft at hypersonic speeds. A case in point is Venus Aerospace's new Venus Detonation ...

Ramjet took the top spot on the "Japan Road to the Kentucky Derby" leaderboard with a victory in the Feb. 18 Hyacinth Stakes at Tokyo Racecourse while previous leader, Forever Young , prepares for the ...

The Hypersonic Dual-Mode Ramjet test, believed to be the first of its kind, exploited rotating detonation combustion technology. General Electric Aerospace announced a successful demonstration of ...

Boeing and defense company Nammo partnering with the US Army have set a new range record during an indirect fire test of a ramjet-powered artillery shell when a Ramjet 155-mm round was fired from a 58 ...

Fallout shelters can cost millions of dollars. But this DIY underground bunker costs about $1,000. You wouldn't want to live in this makeshift underground bunker forever. In a pinch, this DIY fallout ...