CLEVELAND, Ohio — Launch of the next hypersonic flight experiment under a U.S.-Australian joint program has been scheduled for May 1, from Kauai, Hawaii, carrying a supersonic-combustion ramjet ...

The U.S. Air Force is quietly building what amounts to a fast lane for ultra long range hypersonic flight, shifting from ...

India’s scramjet success proves hypersonic strength, but turbine complexity keeps fighter engines a tough challenge.

An aircraft running on hydrogen that races through the upper atmosphere at speeds exceeding twelve times the speed of sound might seem like a fantasy reserved exclusively for science fiction. That, ...

The Indian government says its efforts to develop a homegrown air-breathing hypersonic missile have advanced with a recent ground test. The government’s Defense Research & Development Laboratory ...