An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier.

The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video ...

Independently developed jet makes new record, adding to its rigorous series of human-piloted test flights that will prepare ...

The test flight of the XB-1 aircraft is a step in manufacturer Boom Supersonic's goals of building a supersonic passenger jet ...

By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger ...

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

Boom Supersonic passed a major milestone Tuesday on its path to reintroduce supersonic commercial flights. After years of ...

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

The Boom Supersonic aircraft exceeded Mach 1 after taking off from the Mojave Air and Space Port in California for its highly ...

Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...

About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1.