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

A civilian jet broke the sound barrier for the first time Tuesday while making a historic test flight over the Mojave Desert. The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by ...

During the XB-1's historic flight on Tuesday—its 12th test flight overall—the aircraft stayed supersonic for around four minutes before breaking the sound barrier two more times during the ...

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 ...

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

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for ...

Chiefs' Reid goes for ring No. 4 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 ...