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 craft could become the first commercial jet to break the sound barrier since Concorde ...

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

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 ...

Rescuers searched Friday for any sign of a plane that went missing while carrying 10 people across Alaska’s Norton Sound ...

Some 11.5 minutes into the flight — the 12th overall for the XB-1 — at an altitude of around 35,000 feet (10,668 meters), the test plane exceeded Mach 1, the speed of sound, marking the first time a ...

A plane has been located that matches the description of the one that went missing in Alaska on its way to the community of ...

Boom Supersonic's XB-1 demonstrator aircraft soared past the speed of sound in a test flight on Tuesday—the first time a plane has accomplished that feat without the fuels of government direction, ...

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

High above a barren California desert on Tuesday, a privately developed aircraft broke the sound barrier for the first time ...

Today’s flight is not only the first time Boom’s demonstrator aircraft broke the speed of sound but also the first time a civil aircraft has gone supersonic. The Concorde was built as a joint ...

The U.S. Coast Guard in Alaska said on Friday that an "item of interest" had been found during the search operation looking for a small plane that suddenly lost altitude and went missing with 10 ...