In a nuclear ramjet the vehicle flies so fast the air entering the engine intake needs no compression and flows directly through the reactor core. Fission superheats and expands the air which ...

complementing its Triomphant-class submarines that are armed with M51 nuclear ballistic missiles. The ASMPA-R is a supersonic cruise missile powered by a kerosene-fueled ramjet engine, a ...

Mounted on top of a railroad car, it marked the world's first nuclear ramjet engine when it came to life for just a few seconds. Three years later, the U.S. tested the Tory II-C, which was able to ...

Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

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 ...

Chinese "Space Transportation" company, Lingkong Tianxing Technology, has successfully tested its new JinDou400, also known as JinDouyun, ramjet detonation engine nearly twice the altitude of ...

A case in point is Venus Aerospace's new Venus Detonation Ramjet 2000 lb Thrust Engine (VDR2). One of the biggest hurdles that need to be cleared in making hypersonic flight practical is building ...

Credit: NASA NASA and the U.S. military plan to test a nuclear-powered rocket engine in space as early as 2027, potentially revolutionizing how people travel the cosmos in the coming decades.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A nuclear thermal ...