The SR-72 “Darkstar,” Lockheed Martin’s anticipated successor to the SR-71 Blackbird, is designed for uncrewed Mach 5+ ...

A HYPERSONIC jet could soar at thousands of miles an hour – slashing the flight time between London and New York to just over an hour thanks to a Nasa-funded engine upgrade. The Venus Stargazer ...

But jet engines of the type found in airliners and ... air through it that is subsonic,” he says. As a ramjet passes Mach 5, the shock waves at the engine inlet slow the air down and also ...

A California-based startup pulled off two hypersonic flights of its reusable aircraft, which became the first fully ...

The Stratolaunch Talon-A2 hypersonic drone successfully surpassed Mach 5 in back-to-back tests, the U.S. Department of ...

By 1989, the fastest fighter jet in America's arsenal, the F-15E Strike Eagle, was capable of speeds as fast as 1,875 mph — Mach 2.5. So, with technology advancing all the time, what speed can ...