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, ...

In March 2025, a missile launched from a test range in the Pacific arced into the upper atmosphere, separated its rocket booster, and released an unpowered wedge-shaped glide body that streaked toward ...

An experimental hypersonic jet engine has been successfully tested in flight for the first time, Australian scientists have announced. The HyShot supersonic ramjet combustion or “scramjet” engine ...

PRACTICAL SCRAMJET GRAHAM WARWICK HAMPTON Will the supersonic-combustion ramjet ever be a usable means of propulsion? Boeing, Pratt & Whitney… Will the supersonic-combustion ramjet ever be a usable ...

A Boeing X-51A WaveRider unmanned hypersonic vehicle achieved the longest air-breathing, scramjet-powered hypersonic flight in history May 1, flying for three and a half minutes on scramjet power at a ...

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 ...

An Indian government defence laboratory has successfully tested a scramjet as part of efforts to develop hypersonic missiles. The Defence Research & Development Laboratory (DRDL) conducted the 120s ...

Just a couple of decades ago, aviation had some rules. If you wanted to fly fast within the atmosphere, you used a jet engine. The champion here was the SR-71 Blackbird, designed by Lockheed Martin, ...