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 demonstrator jet broke the sound barrier at Mach 1.122, reaching an altitude of 35,290 feet at ...

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

The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according ...

More than two decades after Europe’s failed attempt at a supersonic airliner, the USA is on track to make it work.

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 demonstrator plane just went supersonic in the skies over California's Mojave Desert, making it the first civil aircraft to break ...

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

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, ...

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

Boom Supersonic's XB-1 achieved a milestone by successfully breaking the sound barrier on a test flight, marking the first ...

Each time one flies above Mach 1 is special. Most commercial pilots have never done it. Our reporter is not a pilot, but he’s ...