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

Boom Supersonic plans to break the sound barrier during a test flight this morning (Jan. 28). This would mark the first time ...

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

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

The XB-1 prototype accelerated smoothly to reach as fast as Mach 1.11 at about 35,000 feet at 11:33 a.m., 11:38 a.m. and ...

Written with all of the fierce intelligence and passion for truth that millions have come to expect from Amy Goodman’s reportage, Breaking the Sound Barrier is, in Arianna Huffington’s words ...

Before today's sound barrier-breaking flight, the XB-1 underwent 11 test flights. The aircraft includes features like an augmented reality system to make takeoff and landing easier and has a long ...

Boom Supersonic plans to break the sound barrier during a test flight this morning, with the flight due to be streamed live online. If the test is successful, it will mark the first time the ...