XB-1 demonstrator did not quite break the sound barrier during its seventh test flight but reached speed and altitude ...

Boom Supersonic's XB-1 aircraft has achieved its fastest speeds yet, blasting towards its goal of surpassing the speed of ...

Boom Supersonic's XB-1 hits a new speed milestone of 629 mph, bringing it closer to breaking the sound barrier—setting the ...

Residents of Santa Barbara County were treated to an unexpected rumble in the evening sky Friday, as a sonic boom ...

A burst cylinder at a downtown business was eyed as a possible explanation for loud sound that rattled Schenectady and ...