Boom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have ...

During the second supersonic flight of the XB-1 technology demonstrator today, the jet exceeded Mach 1 three times without a boom being detected by microphones on the desert floor below.

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

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

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 aircraft broke the sound barrier ... where Charles “Chuck” Yeager was the first person to break the sound barrier in 1947. It’s also the first time an independently ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a ...

A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday, tearing through the air tens of thousands of feet above the Mojave Desert and a crowd of ...