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

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

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

The aerospace company put its technology to the test today, breaking the sound barrier and reviving the dream of supersonic ...

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 the sound barrier since Concorde ...

Boom Supersonic flew its XB-1 test jet at about the speed of sound, a major step as the company works toward the daunting job ...

American company Boom achieved a milestone Tuesday as its XB-1 aircraft exceeded the speed of sound for the first time during a supersonic test flight. The last flight of a supersonic airliner, ...

The Boom Supersonic attempt to achieve supersonic flight at Mach 1.1 is scheduled for 9:45 a.m. Monday, weather permitting. Breaking the sound barrier occurs at 761 mph.

Boom Supersonic achieved Tuesday its goal of breaking the sound barrier on its first attempt with the XB-1 prototype of its ...

Today a civil test airliner, Boom Technology’s XB-1, broke the sound barrier for the first time in two decades.