Boom Supersonic’s XB-1 has broken the sound barrier, paving the way for faster commercial flights if future tests succeed.

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

American company Boom achieved a milestone Tuesday as its XB-1 aircraft exceeded the speed of sound for the first time during ...

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

The test flight for the Boom Supersonic XB-1, a prototype aircraft that many tout as ... developed supersonic jet” will break the sound barrier in the Bell X-1 Supersonic Corridor and the Black ...

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

The XB-1 prototype accelerated smoothly to reach as fast as Mach 1.11 at about 35,000 feet at 11:33 a.m., 11:38 a.m. and ...