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.

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

A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday, tearing through the ...

Boom is convinced it can overcome the barriers that grounded the Concorde and make supersonic travel affordable and greener.

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

The test plane, flown by chief test pilot Tristan `Geppetto’ Brandenburg, pushed through the sound barrier at around 8:30am local time in a four-minute high speed run through a specially ...

The measurement "Mach" refers to the speed of an object in relation to the speed of sound ... privately funded and developed aircraft has broken the sound barrier over the continental U.S. (And it did ...

A Carnegie Mellon University grad is behind the successful flight earlier this week of the first independently developed jet ...

Boom officials explained that the “world’s first independently developed supersonic jet” will break the sound barrier in the ...

Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...