Boom's dream of becoming a supersonic commercial airline is a step closer as its demonstrator model the XB-1 reached 844mph ...

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

Marijuana and your memory, Doomsday Clock is ticking, flavor of the year: Catch up on the day’s stories Editor’s Note: CNN’s ...

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

Boom is convinced it can overcome the barriers that grounded the Concorde and make supersonic travel affordable and greener.

Other supersonic aircraft, such as the iconic Concorde , have required the work of militaries and governments to become a ...

The XB-1 demonstrator has broken the speed of sound, hitting Mach 1.1. It is the first civil supersonic aircraft in US history and the first to do so since Concorde was retired in 2003. That was an ...