On February 10, in the skies above the Mojave Desert, the Boom Supersonic XB-1 test jet roared past Mach 1, tearing through the sound barrier. But this time, there was no need to take it on faith ...

A civilian jet broke the sound barrier for the first time Tuesday while making a historic test flight over the Mojave Desert. The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by ...

Two weeks ago, Boom Supersonic’s XB-1 demonstrator plane made history when it broke the sound barrier over the continental United States, reaching 750 miles per hour (Mach 1.12) near Barstow, ...

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Why It Matters Before Tuesday, no civil private manufacturer had passed the sound ...

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.

The sound barrier was first broken on Oct. 14, 1947, according to the U.S. Air Force. That's when Capt. Chuck Yeager and the Bell X-1 rocket-propelled aircraft broke the sound barrier.

Related: The XB-1 lifted off for the first time in March 2024, on a flight that did not break the sound barrier (which is about 767 mph, or 1,234 kph, at sea level). The demonstrator flew 10 more ...

Boom Supersonic's XB-1 has successfully broken the sound barrier, becoming the first supersonic civil aircraft in U.S. history. Today (Jan. 28), the XB-1 took off from Mojave Air and Space Port in ...

A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday, tearing through the air tens of thousands of feet above the Mojave Desert and a crowd of ...