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 ...

At approximately 5:20 p.m., an F-16 fighter jet assigned to the Ohio National Guard’s 180th Fighter Wing broke the sound barrier ... 11+ features the latest breaking news and weather, plus ...

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.

During the XB-1's historic flight on Tuesday—its 12th test flight overall—the aircraft stayed supersonic for around four minutes before breaking the sound barrier two more times during the ...

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time ... a Dassault Mirage F1 fighter jet, and a Northrop T-38 Talon, the same aircraft ...

A civilian jet broke the sound barrier for the first ... Air and Space Port just as the XB-1 did. Before today's sound barrier-breaking flight, the XB-1 underwent 11 test flights.

It was spotted by the Indian Air Force (IAF) before it made an emergency landing at the Tiruvanthapuram International Airport ...

Boom Supersonic and NASA just dropped an incredible photo of the XB-1 breaking the sound barrier over the Mojave ... the first U.S.-built civil supersonic jet, hit Mach 1.18 (772 mph) during ...

Boom Supersonic's XB-1 jet just broke the sound barrier. Achieving Mach 1.112 is a milestone for the aerospace brand, which began operations in 2014.

The first F-16 Block 70 fighter jet intended for the Bulgarian Air Force has arrived in the country, landing at the Graf Ignatievo airbase at 2:30 p.m. The aircraft, a combat training model with a ...