The U.S., Russia and China are in the middle of a hypersonic arms race — and right now, the U.S. is losing. But private companies are stepping up to develop hypersonic tech that shifts the edge ...

Hypersonic missiles are fast, and the 3M22 Zircon's advertised speed makes it the planet's fastest hypersonic cruise missile — for now.It's powered by a ramjet engine, also called a scramjet ...

Hypersonic missiles, unlike ballistic missiles, don't have to leave the atmosphere to reach their targets. These weapons, capable of reaching speeds up to Mach 5, can make quick course corrections ...

Hypersonic flight, once a concept of science fiction, is now on the cusp of reality. Capable of speeds over Mach 5, or around 3,000 mph, this technology has the potential to reshape air travel and ...

A major player in aerospace innovation has bitten the dust. Reaction Engines, a developer of hypersonic engine technology since 1989, has gone into administration and its closure is having an ...