Boom Supersonic flew its XB-1 test jet at about the speed of sound, a major step as the company works toward the daunting job ...

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

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 ... Because supersonic aircraft have historically been created and used by agencies like governments and militaries ...

Boom Supersonic broke the sound barrier on Tuesday, an accomplishment that will send figurative shockwaves to the Piedmont ...

Boom officials explained that the “world’s first independently developed supersonic jet” will break the ... It’s not clear where the sonic boom created by the X-1 will be heard, but ...