Tests of the Hermeus Quarterhorse Mk. 1 at Edwards AFB, California, will pave the way for a follow-on full-scale turbine-based, combined-cycle-powered version. Credit: Hermeus High-speed air-breathing ...

Hermeus demonstrated that its engine can transition from turbojet—like what’s used in passenger aircraft—to ramjet, a much more powerful engine technology. Hermeus, a startup building a hypersonic ...

Less than two years after revealing ambitious plans to develop a 20-passenger hypersonic aircraft by the end of the decade, startup Hermeus has already confounded the skeptics by completing ...

The hypersonic arms race has reached East Asia. After North Korea’s surprising hypersonic test, South Korea and Japan ...

Maryland, USA: A joint research effort between an ethnic Indian-owned, privately held, US company, Astrox Corp and the University of Maryland has solved a fuel injection problem that makes hypersonic ...

A ROCKET jet has hit a dizzying new speed of over 5,000mph - with hopes the project will one day be able to take passengers anywhere in the world in just 60 minutes. Scientists behind the Chinese ...