About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...

The single-seat, three-engine jet is the first independently developed plane to exceed Mach 1 in level flight.

Boom’s jet will be flying in the same airspace where Chuck Yeager became the first person to exceed the speed of sound in 1947. Its test plane is named after Yeager’s iconic aircraft, the Bell X-1.

A prototype of a passenger jet meant to succeed Concorde will attempt to break the sound barrier for the first time on ...

Look inside the Breakers, a 70-room, 138,300-square-foot mansion that belonged to one of America's wealthiest Gilded Age ...

One hospitalized after car ends up on train tracks ...

Boeing delivered less than half the number of commercial aircraft to customers than its European rival in 2024 as the American aerospace giant's output suffered under intensified government ...