The blade tip speed limit of a propeller plane's propeller can determine the plane's top speed for reasons relating to design ...

A concert by Croatian singer Marko Perkovic, known as Thompson, has drawn tens of thousands to Zagreb. Perkovic is ...

The future of flight is about to break the sound barrier, quietly. Meet NASA’s X-59 QueSST, a revolutionary supersonic ...

It wasn’t fast, sleek, or built to shatter records—but in 1955, a bulky British interceptor known as the Gloster Javelin shocked the world. During a routine night flight, a pilot’s oxygen emergency ...

Plus: Zohran Mamdani wins a New York City primary for mayor, shaking up mainstream Democratic politics. This and more stories ...

The Concorde suffered a fatal crash in July 2000, which spurred the end of the supersonic jet program. What's next for mach speed flight?

The Concorde suffered a fatal crash in July 2000, which spurred the end of the supersonic jet program. What's next for mach speed flight?

The first dreams of supersonic air travel were crushed by annoyed Oklahoma City residents in the 1960s. Decades later, it could now be viable.

More: Watch Boom supersonic jet break sound barrier on path to speed up commercial flights Now that Boom has proven it can build and fly a supersonic aircraft, it will now focus on its commercial ...

It was the first time an independently, privately funded and developed aircraft has broken the sound barrier over the continental U.S. More: Watch Boom supersonic jet break sound barrier on path ...