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

The single-seat, three-engine jet is the first independently developed plane to exceed Mach 1 in level flight.

Boom Supersonic passed a major milestone with its first experimental flight to reach Mach 1. The speed was achieved about 11 ...

Ten months after its long-delayed first subsonic flight took place last March, Boom Supersonic’s prototype test plane, the XB-1, broke the sound barrier today three times during its 12th flight.

Boom Supersonic's XB-1 demonstrator aircraft soared past the speed of sound in a test flight on Tuesday—the first time a plane has accomplished that feat without the fuels of government ...

Boom Supersonic's XB-1 demonstrator plane just went supersonic in the skies over California's Mojave Desert, making it the first civil aircraft to break ...

Boom Supersonic’s XB-1 aircraft has become the first independently developed jet to break the sound barrier, bringing ...

A medical transport jet with six people on board plummeted to the ground near Roosevelt Mall in Northeast Philadelphia Friday ...

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

Boom Supersonic's XB-1 prototype plane eclipsed the sound barrier for the first time on Tuesday. Photo Credit: Provided by Boom Supersonic Boom Supersonic has gone, well, supersonic. The start ...