A prototype of a passenger jet designed to succeed the supersonic Concorde broke the sound barrier for the first time on ...

By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger ...

Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before ...

Reports are growing of a weapon that could threaten even the most advanced enemy aircraft, with hypersonic speeds posing ...

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

High above a barren California desert on Tuesday, a privately developed aircraft broke the sound barrier for the first time ...

The XB-1 demonstrator has broken the speed of sound, hitting Mach 1.1. It is the first civil supersonic aircraft in US history and the first to do so since Concorde was retired in 2003. That was an ...

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time on a test flight over the American desert.

Boom Supersonic plans to break the sound barrier during a test flight this morning (Jan. 28). This would mark the first time ...