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

Colorado company Boom Supersonic's XB-1 supersonic demonstrator aircraft flew for the second time ever on Monday (Aug. 26). The flight took place from California's Mojave Air and Space Port and ...

Boom Supersonic's XB-1 prototype aces 2nd test flight (photos) — Boom's XB-1 test plane gets FAA green light for supersonic flight "But why not just go supersonic on the next flight? It's ...