Boom Supersonic’s XB-1 reached Mach 1.1, making history as the first privately funded aircraft to break the sound barrier.

Boom Supersonic (or just "Boom") adopted a systematic approach to testing, taking the XB-1 through subsonic, transonic, and ...

Boom Supersonic's XB-1 achieved a milestone by successfully breaking the sound barrier on a test flight, marking the first ...

Boom’s XB-1 reached Mach 1.112, or 860.9 mph, after 10 years of planning and a year of flight tests. Up next: its Overture ...

Boom Supersonic's XB-1 jet just broke the sound barrier. Achieving Mach 1.112 is a milestone for the aerospace brand, which ...

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

Boom Supersonic ’s XB-1 aircraft climbed over 35,000 feet on Tuesday before accelerating to Mach 1.1 speed and breaking the ...

Boom Supersonic has announced the first supersonic flight of its XB-1 demonstrator aircraft at the Mojave Air & Space Port in ...

STORY: The return of supersonic air travel just might have come a step closer. U.S. startup Boom Supersonic sent its XB-1 jet ...

Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...

The return of supersonic travel has been remarkably slow for something faster than the speed of sound, but a major milestone was achieved on January 28 ...