Defying the so-called “sound barrier,” the Bell X-1's flight with Chuck Yeager at the controls pushed human flight into 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 ...

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time on a test flight ...

XB-1’s supersonic flight took place in the same historic airspace where Chuck Yeager broke the sound barrier for the first time in 1947, according to Boom Supersonic.

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.

About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first privately funded airplane to break the sound barrier during a test ...

Boom Supersonic has gone, well, supersonic, its XB-1 prototype breaking the sound barrier today in the skies over the Mojave Air & Space Port in California. With Chief Test Pilot Tristan ...

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

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.

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time on a test flight over the American desert.

Boom Supersonic’s XB-1 aircraft broke the sound barrier for the first time ever on Tuesday, ushering in a new era of supersonic flight. The jet exceeded Mach 1 after taking off from the Mojave ...

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 ...