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

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

It followed a protocol that expanded its flight envelope through subsonic, transonic, and then supersonic speeds. It was shadowed by two former fighter jets that Boom uses to monitor the XB-1 ...

The single-seat jet, a 201-foot-long test model by Boom Supersonic, hit 844 mph just 12 minutes into its latest test flight ...

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

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

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

Here’s how it works. Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time. Boom Supersonic's chief test pilot Tristan "Geppetto" Brandenburg ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a ...

Boom Supersonic's XB-1 demonstrator plane just went supersonic in the skies over California's Mojave Desert, making it the first civil aircraft to break the sound barrier. The American startup's ...

Boom designed, built, and flew the world's first independently developed supersonic jet—the first civil supersonic jet made in America. Boom Supersonic makes aviation history as XB-1 breaks the ...

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time on a test flight over the American desert.