Some may already be familiar with the sonic boom that accompanies a break to the sound barrier, but when and why would ...

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 ...

SAN BERNARDINO COUNTY, Calif. — Boom Supersonic's XB-1 aircraft broke the sound barrier during a test flight in California. The company conducted its 12th test flight of the demonstrator ...

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California, on Tuesday.

Boom Supersonic's XB-1 pathfinder vehicle went out in style on Monday (Feb. 10), breaking the sound barrier three times on its 13th and final test flight.

Boom’s XB-1 demonstrator aircraft just broke the sound barrier, making history as the first independently produced ...

Boom Supersonic’s XB-1 prototype test plane broke the sound barrier for the first time with a top speed of Mach 1.1. Another small step toward the return of supersonic travel. Skip to main content ...

A newly released image shows the sound barrier being broken on February 10 as Boom Supersonic’s XB-1, America’s first civil supersonic jet, completed its second supersonic flight.

A supersonic jet built by Boom Technology broke the sound barrier for the first time on Tuesday, advancing its bid to resurrect high-speed passenger flights two decades after the Concorde’s demise.

Boom Supersonic plans to break the sound barrier during a test flight this morning (Jan. 28). This would mark the first time the company achieves the feat, and you can watch the historic action live.

At one point, however, XB-1 briefly broke the sound barrier once again. XB-1 surpassed Mach 1 yet again a few minutes later before landing 11:54 PM EST after a total flight time of 33.49 minutes.

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California, on Tuesday.