Boom Supersonic broke the sound barrier in late January with its XB-1 test jet, paving the way forward in the startup's efforts to build its own supersonic airliner. Boom and NASA released a unique ...

Among the flights he made after breaking the sound barrier was one on Dec. 12. 1953, when he flew an X-1A to a record of more than 1,600 mph (2,575 kph). He said he had gotten up at dawn that day and ...

This amazing image shows the moment Boom Supersonic's XB-1 aircraft broke the sound barrier during its second supersonic flight on 10 February 2025. The company is developing the world's fastest ...

The X-1’s fuselage was designed to resemble a .50 caliber bullet—one of the only shapes known to have stable flight at supersonic speeds. The Bell X-1 hangs today from the ceiling of the National Air ...

Concorde and Tupolev are acknowledged as some of the first planes to break the sound barrier, but it wasn't them. Which one actually did it first?

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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