Even when the plane reached its top cruising speed of 1,350 ... rarely rocked by turbulence, and the view of our planet's curvature was spectacular. Concorde's landing gear was state-of-the ...

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...

Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...