For the first time since the Concorde was retired in 2003, the dream of supersonic commercial flights is making a comeback. Promising to cut transcontinental travel times in half, these ...

Earlier this month, a demonstrator aircraft for what could be the first new civil supersonic plane to be launched since the 1960s took to the skies. It’s a milestone moment in the highly anticipated ...

Late last week, American company Boom Supersonic flew faster than the speed of sound with its XB-1 supersonic demonstrator aircraft. It’s now the first piloted non-military aircraft to break the sound ...

Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph, ...

Faster planes require more fuel, and alternatives may not be the climate solution the industry hopes for. Boom Supersonic broke the sound barrier in a test flight of its XB-1 jet last week, marking an ...

Add Yahoo as a preferred source to see more of our stories on Google. A Chinese start-up is aiming to develop a supersonic drone capable of reaching speeds four times the speed of sound. Lingkong ...