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

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

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 ...

The Boom Supersonic aircraft exceeded Mach 1 after taking off from the Mojave Air and Space Port in California for its highly ...

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.

About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...

A supersonic jet built by Boom Technology broke the sound barrier for the first time Tuesday, advancing its bid to resurrect ...

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

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...

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 ...