A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before ...

Here’s how it works. Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time. Boom Supersonic's chief test pilot Tristan "Geppetto" Brandenburg ...

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. On its 12th test flight, the Boom XB-1 prototype broke the sound barrier ...

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 ...

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

A US company's prototype jet has broken the sound barrier in a demonstration it hopes will pave the way for a successor to the Concorde. Boom Supersonic's XB-1 is the first civilian aircraft to ...

First Independently Developed Jet Breaks the Sound Barrier Over the California Desert A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday ...

Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...

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 ...