The moments before and after a crash between an American Airlines passenger jet and a military helicopter are detailed in air ...

No clear reason yet for Washington air disaster that killed 67 ...

The single-seat, three-engine jet is the first independently developed plane to exceed Mach 1 in level flight.

The single-seat jet, a 201-foot-long test model by Boom Supersonic, hit 844 mph just 12 minutes into its latest test flight ...

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before ...

American company Boom achieved a milestone Tuesday as its XB-1 aircraft exceeded the speed of sound for the first time during a supersonic test flight. The last flight of a supersonic airliner, ...