American company Boom Supersonic just broke the sound barrier with a civilian plane. What exactly is supersonic travel, and ...

Boom Supersonic's XB-1 demonstrator aircraft soared past the speed of sound in a test ... to comply with a federal ban on ...

Boom Supersonic’s XB-1 demonstrator plane just went supersonic in the skies over California’s Mojave Desert, making it the first civil aircraft to break the sound barrier. The American startup ...

Boom Supersonic has gone, well, supersonic, its XB-1 prototype breaking the sound barrier today in the skies over the Mojave Air & Space Port ... without causing a sonic boom.

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

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 ...

Boom Supersonic's chief test pilot Tristan "Geppetto" Brandenburg took off in the company's XB-1 jet from the storied Mojave Air & Space Port in California this morning under mostly clear skies.

The test flight for the Boom Supersonic XB-1, a prototype aircraft that many tout as the ... Flight experts say in ideal conditions, a sonic boom can be heard up to 30 miles away from the source.