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 ...

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California, on Tuesday.

Some may already be familiar with the sonic boom that accompanies a break to the sound barrier, but when and why would ...

Boom Supersonic's XB-1 pathfinder vehicle went out in style on Monday (Feb. 10), breaking the sound barrier three times on its 13th and final test flight.

Boom’s XB-1 demonstrator aircraft just broke the sound barrier, making history as the first independently produced ...

Boom Supersonic’s XB-1 prototype test plane broke the sound barrier for the first time with a top speed of Mach 1.1. Another small step toward the return of supersonic travel. Skip to main content ...

SAN BERNARDINO COUNTY, Calif. — Boom Supersonic's XB-1 aircraft broke the sound barrier during a test flight in California. The company conducted its 12th test flight of the demonstrator ...

Boom Supersonic’s XB-1 aircraft broke the sound barrier for the first time ever on Tuesday, ushering in a new era of supersonic flight. The jet exceeded Mach 1 after taking off from the Mojave ...

A supersonic jet built by Boom Technology broke the sound barrier for the first time on Tuesday, advancing its bid to resurrect high-speed passenger flights two decades after the Concorde’s demise.

About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first privately funded airplane to break the sound barrier during a test ...

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, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California, on Tuesday.