Colorado aerospace company Boom Supersonic flew its XB-1 demonstrator for the first time on Friday. Nicknamed the "baby boom," the jet tests technologies for Boom's future Mach 1.7 Overture airliner.

Virgin Galactic unveiled a Mach 3 passenger aircraft concept aimed at reviving supersonic travel. Designed to carry a small number of passengers at twice the speed of Concorde, the aircraft would fly ...

Hydrogen powered hypersonic flight is moving from speculative concept to detailed engineering plan, with aerospace startups and research partners sketching out aircraft that could cross continents in ...

The race to field reusable hypersonic aircraft got a whole lot hotter last month, with GE Aerospace announcing a breakthrough in high-speed jet engine design that could potentially allow conventional ...

A Chinese start-up is aiming to develop a supersonic drone capable of reaching speeds four times the speed of sound. Lingkong Tianxing Technology, the company behind the project, unveiled the unmanned ...

Summary and Key Points: The Douglas X-3 “Stiletto,” designed to research sustained supersonic speeds and achieve a maximum speed of 2,000 mph, ultimately fell short due to being severely underpowered.