This 34-minute flight, the culmination of 11 previous subsonic ones, took off from Mojave Air and Space Port in California.

Boom Supersonic's XB-1 demonstrator plane just went supersonic in the skies over California's Mojave Desert, making it the ...

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

Boom Supersonic’s XB-1 aircraft has become the first independently developed jet to break the sound barrier, bringing ...

A prototype of a passenger jet designed to succeed the supersonic Concorde broke the sound barrier for the first time on ...

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

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

American company Boom achieved a milestone Tuesday as its XB-1 aircraft exceeded the speed of sound for the first time during ...

XB-1 hit supersonic, hypnotic speeds on Tuesday, making American aviation history. XB-1 is the first commercial aircraft to ...

A prototype of a passenger jet meant to succeed Concorde will attempt to break the sound barrier for the first time on ...