Almost 22 years after Concorde made its final commercial flights, a prototype passenger jet has broken the sound barrier during a supersonic test flight. Boom Supersonic’s XB-1 aircraft climbed over ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test ...

Lockheed Martin is constructing the X-59 prototype for NASA in California and is planning to operate test flights of the ...

The Boom Supersonic's XB-1 aircraft breaks the sound barrier, Mach 1, during a test flight Tuesday, Jan. 28, 2025, over the Mohave Desert, Calif. (Boom Supersonic via AP) It was a step toward reviving ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. An aircraft developed by Boom Supersonic ...