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

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

Independently developed jet makes new record, adding to its rigorous series of human-piloted test flights that will prepare ...

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

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.

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time.

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

The XB-1, piloted by chief test pilot Tristan "Geppetto" Brandenburg, reached an altitude of 34,000 feet before accelerating ...

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

Boom Supersonic's XB-1 demonstrator jet broke the sound barrier at Mach 1.122, reaching an altitude of 35,290 feet at ...

Boom Supersonic XB-1 demonstrator jet broke the sound barrier at Mach 1.122, reaching 35,290 ft in altitude during its ...

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