The Colorado-based company is aiming to build a Concorde-like supersonic aircraft—but has hurdles to clear before realizing ...

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.

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

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 ...

The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video ...

During the XB-1's historic flight on Tuesday—its 12th test flight overall—the aircraft stayed supersonic for around four minutes before breaking the sound barrier two more times during the ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

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

Before today's sound barrier-breaking flight, the XB-1 underwent 11 test flights. The aircraft includes features like an augmented reality system to make takeoff and landing easier and has a long ...