While the SR-71 Blackbird gets all the press, the rocket-powered X-15 has its own richly deserved place in the aviation ...

Recent buzz claims the F-15EX hit Mach 3, but is it really built for that kind of speed? We’re revisiting the facts, the ...

The intercontinental ballistic missile Hwasong-17, launched the day before by North Korea, covered about 760 kilometers, developing a speed of Mach 15. At the same time, as a result of the separation ...

The F-15 Eagle is an outlier even among advanced fighter jets, moving so swiftly it has never been shot down in combat.

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

Going faster than Mach 1 opened the door to more research and testing in the years that followed, eventually leading to NASA's North American X-15 hitting Mach 6.7 in 1967. Not only did that ...