Boom Supersonic's XB-1 demonstrator aircraft soared past the speed of sound in a test flight on Tuesday—the first time a plane has accomplished that feat without the fuels of government ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a ...

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 ...

Boom Supersonic makes aviation history as XB-1 breaks the sound barrier. XB-1 is the first civil supersonic jet made in America. Photo: Boom Boom’s XB-1 demonstrator aircraft just broke the ...

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 ...