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, ...

The company says that it accomplished the feat during a test flight of its XB-1 aircraft late last month. "During its historic first supersonic flight on January 28, 2025, Boom’s demonstrator ...

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 hit a milestone yesterday when its XB-1 experimental jet passed Mach 1.0, the speed of sound, on its way to Mach 1.122 or 860.87 mph. The event took place over the Mohave Desert ...

The XB-1's 13th test flight was also its last. Credit: Boom Supersonic Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday.

Boom Supersonic's XB-1 demonstrator vehicle conducts its 13th and final test flight on Feb. 10, 2025. The jet broke the sound barrier three times during the flight.

Boom's XB-1 demonstrator took its maiden flight in March of 2024. In October of 2024, the XB-1 was teasing supersonic speeds.

When the experimental XB-1 aircraft broke the sound barrier three times during its first supersonic flight on 28 January, it did not produce a sonic boom audible from the ground, according to US ...

But the XB-1’s first supersonic test flight – conducted on 28 January – demonstrated an effect known as Mach cut-off whereby a sonic boom, under certain conditions, does not reach the ground ...

When the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – thanks to a physics phenomenon called the Mach cutoff ...

NASA and Boom Supersonic released an incredible photo capturing the shock waves of the supersonic XB-1 aircraft while it traveled in front of the sun during a Feb. 10 test flight.

Boom Supersonic announced that its recent test flight with the experimental civil jet, XB-1, has achieved supersonic speeds for the first time, and it accelerated to Mach 1.122 speeds (750 miles ...