American aerospace startup Boom made history on Tuesday by breaking the sound barrier during the test flight of its Boom Supersonic XB-1 demonstrator jet. The XB-1's flight, livestreamed from the ...

An American civil aircraft broke the sound barrier for the first time in California's Mojave Desert, a US aviation company ...

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

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. On its 12th test flight, the Boom XB-1 prototype broke the sound barrier ...

Seven down. Three to go. Boom Supersonic—the developer of a 64-to-80-passenger commercial airliner that flies faster than the speed of sound—last week set speed and altitude records with its XB-1 test ...

When legendary pilot Chuck Yeager broke the sound barrier and flew the Bell X-1 past Mach 1 in 1947, it was the greatest aviation milestone ever achieved at that time. These days, however, reaching ...