Ever since the ahead-of-its-time Concorde jet was retired in 2003, aviation enthusiasts have eagerly awaited the return of a ...

The first aircraft to officially go supersonic was the Bell X-1, piloted by famed aviator Charles "Chuck" Yeager. He accomplished this feat on October 14, 1947, at an altitude of 45,000 feet.

A "son of Concorde" aircraft that may one day fly from New York to London in 1.5 hours has reached supersonic speeds. An incredible image shows Boom Supersonic's XB-1 jet breaking the sound barrier.

Boom Supersonic's fourth test flight of its XB-1 prototype aircraft reached Friday a new top speed of Mach 0.617 — more than halfway to achieving supersonic flight.

The Boom Supersonic attempt to achieve supersonic flight at Mach 1.1 is scheduled for 9:45 a.m. Monday, weather permitting. Breaking the sound barrier occurs at 761 mph.

A "son of Concorde" aircraft that may one day fly from New York to London in 1.5 hours has reached supersonic speeds. An incredible image shows Boom Supersonic's XB-1 jet breaking the sound barrier.

A "son of Concorde" aircraft that may one day fly from New York to London in 1.5 hours has reached supersonic speeds. An incredible image shows Boom Supersonic's XB-1 jet breaking the sound barrier.