Prototype aircraft for supersonic airliner breaks sound barrier ...

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

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.

The single-seat jet, a 201-foot-long test model by Boom Supersonic, hit 844 mph just 12 minutes into its latest test flight ...

An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier.

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

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

Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a major milestone. Read our coverage here. Boom Supersonic plans to break the sound barrier during a test ...

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

Boom Supersonic passed a major milestone Tuesday on its path to reintroduce supersonic commercial flights. After years of testing and refinement, a pilot flying the aerospace company’s XB-1 ...

XB-1’s supersonic flight took place in the same historic airspace where Chuck Yeager broke the sound barrier for the first ...