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

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1.

A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...

Tuesday’s XB-1 flight marks the first human-piloted civil supersonic flight since Concorde’s retirement more than 20 years ...

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

Boom Supersonic's XB-1 demonstrator craft will break the sound barrier for the first time during a Jan. 28 test flight, and ...

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

The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according ...

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

Boom Supersonic has gone, well, supersonic, its XB-1 prototype breaking the sound barrier today in the skies over the Mojave Air & Space Port in California. With Chief Test Pilot Tristan Brandenburg ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break ... sound barrier, as its in-service flights will take place at much higher altitudes where the air is ...

The XB-1 prototype accelerated smoothly to reach as fast as Mach 1.11 at about 35,000 feet at 11:33 a.m., 11:38 a.m. and ...