NASA’s X-43A hypersonic research vehicle, part of the “Hyper-X” program, still holds the world record for an air-breathing ...

The HAWC prototype is powered by a supersonic combustion ramjet, or scramjet, which uses supersonic air produced during initial acceleration to reach speeds greater than Mach 5, or five times the ...

"The hypersonic glide missile is in a much more advanced stage. We have done one development trial, and we expect that in the ...

The deal, currently valued at $32.9 million (£24.33 million), aims to develop and deliver 16 upgraded Hadley H13 engines for hypersonic testing.