The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video ...

During the XB-1's historic flight on Tuesday—its 12th test flight overall—the aircraft stayed supersonic for around four minutes before breaking the sound barrier two more times during the ...

Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a major milestone. Read our coverage here. Boom Supersonic plans to break the sound barrier during a test ...

Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde ...

An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier ...

Boom Supersonic achieved Tuesday its goal of breaking the sound barrier on its first attempt with the XB-1 prototype of its Overture aircraft — and then repeated the feat two more times.

A sleek white aircraft has become the first independently developed jet to break the sound barrier A sleek white aircraft became the first independently developed jet to break the sound barrier ...

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 ...

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. A sleek white aircraft became the first ...