Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...

F rom the moment Chuck Yeager broke the sound barrier for the first time in 1947, zipping from New York to Paris in less than three hours became every traveler’s dream. It’s a dream that ...

A newly released image shows the sound barrier being broken on February 10 as Boom Supersonic’s XB-1, America’s first civil supersonic jet, completed its second supersonic flight.

Boom Supersonic broke the sound barrier in late January with its XB-1 test jet, paving the way forward in the startup's efforts to build its own supersonic airliner. Boom and NASA released a ...

Boom Supersonic and NASA just dropped an incredible photo of the XB-1 breaking the sound barrier over the Mojave Desert. Using Schlieren photography, they captured air distortions that are usually ...

NASA is trying to break the sound barrier in a new and exciting way. Normally when something breaks the sound barrier, it creates a massive sonic boom heard miles away, depending on the plane’s ...

A newly released image shows the sound barrier being broken on February 10 as Boom Supersonic’s XB-1, America’s first civil ...

As the aircraft flew in front of the sun, NASA’s team documented the changing air speeds as speeds over Mach 1, the speed of sound (761.23 miles per hour or 1,225.1 kilometers per hour).

A newly released image shows the sound barrier being broken on February 10 as Boom Supersonic’s XB-1, America’s first civil supersonic jet, completed its second supersonic flight.