In January, the aircraft successfully broke the sound barrier for the first time, reaching speeds exceeding Mach 1 at an ...

During the second supersonic flight of the XB-1 technology demonstrator today, the jet exceeded Mach 1 three times without a ...

The aerospace company put its technology to the test today, breaking the sound barrier and reviving the dream of supersonic ...

XB-1 pushed what was once called the Sound Barrier. According to Boom, this was a key milestone in the test program because this dynamic pressure has a serious effect on aircraft performances and ...

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 ...

Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations, plus the latest in aviation, food and drink, and where to stay. The return of ...

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 ...

The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...