Boom’s XB-1 jet breaks sound barrier on first supersonic flight - Boom’s inaugural XB-1 supersonic test flight reached speeds of more than 850 miles per hour ...

The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...

The Colorado-based company is launching its XB-1 test plane from California's Mojave Air and Space Port today at around 4pm GMT, with the sound barrier breaking roughly 25 minutes later.

Ever since the ahead-of-its-time Concorde jet was retired in 2003, aviation enthusiasts have eagerly awaited the return of a passenger aircraft capable of breaking the sound barrier. That dream ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

Engaging articles, breathtaking images and expert knowledge ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

Almost 22 years after Concorde made its final commercial ... 35,000ft on Tuesday before accelerating to Mach 1.1 speed and then breaking the sound barrier in three high-speed runs spanning 35 ...