Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1. On its 12th test flight, the Boom XB-1 prototype broke the sound barrier ...

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 ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test ...

Boom Supersonic makes aviation history as XB-1 breaks the sound barrier. XB-1 is the first civil supersonic jet made in America. Photo: Boom Boom’s XB-1 demonstrator aircraft just broke the sound ...

That was the sound of a fighter jet reaching supersonic speeds and breaking the sound barrier, resulting in a sonic boom, a spokesperson for the 180th Fighter Wing confirmed to WTOL 11. The sonic boom ...