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

American company Boom achieved a milestone Tuesday as its XB-1 aircraft exceeded the speed of sound for the first time during ...

Boom Supersonic XB-1 demonstrator jet broke the sound barrier at Mach 1.122, reaching 35,290 ft in altitude during its ...

The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video ...

A prototype of a passenger jet designed to succeed the supersonic Concorde broke the sound barrier for the first time on ...

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Boom Supersonic’s XB-1 demonstrator has broken the sound barrier, marking a major milestone in the effort that hopes to lead ...

The test flight took place in the same Mojave Desert area in California where Charles "Chuck" Yeager first broke the sound barrier in 1947.

The XB-1 test plane, which is made by tech firm Boom, broke the speed of sound barrier at around 4.30pm GMT – as the American ...

The XB-1 broke the sound barrier for the first time over the Mojave Desert in California. Image: The XB-1 demonstrator ...

Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in ... its 12th test flight from California's Mojave Air & Space Port today at around 11:00 a.m. EST ...

A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday, tearing through the air tens of thousands of feet above the Mojave Desert and a crowd of ...