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

An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier.

A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...

The Colorado-based company is aiming to build a Concorde-like supersonic aircraft—but has hurdles to clear before realizing ...

Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...

Boom Supersonic’s XB-1 aircraft has become the first independently developed jet to break the sound barrier, bringing ...

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-1 ...

Breaking the sound barrier occurs at 761 mph. The manufacturer reached a key milestone June 17 with the construction completion of its $500 million “superfactory” at Piedmont Triad ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

GREENSBORO, N.C. — Tuesday morning in California's Mojave Desert, the Boom Supersonic XB-1 — the world's first independently developed supersonic jet — broke the sound barrier during a test ...

Reader question: For years there has been a political sign on the north-facing side of the sound barrier that runs along Interstate 41 between State 47 and Ballard Road in Appleton. Recently the ...