The XB-1 aircraft, manufactured by Boom Supersonic, underwent 11 test flights before Tuesday's over the Mojave Desert in ...

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time on a test flight ...

The test flight of the XB-1 aircraft is a step in manufacturer Boom Supersonic's goals of building a supersonic passenger jet ...

Boom Supersonic plans to break the sound barrier during a test flight this morning (Jan. 28). This would mark the first time ...

The Boom Supersonic aircraft exceeded Mach 1 after taking off from the Mojave Air and Space Port in California for its highly ...

Boom Supersonic's XB-1 achieved a milestone by successfully breaking the sound barrier on a test flight, marking the first ...

Some 11.5 minutes into the flight — the 12th overall for the XB-1 — at an altitude of around 35,000 feet (10,668 meters), the test plane exceeded Mach 1, the speed of sound, marking the first ...

Boom's XB-1 jet breaks the sound barrier, bringing supersonic passenger travel closer to reality. Find out more about this ...

The "rapid unscheduled disassembly" was likely caused by a propellant leak, Elon Musk said, and was captured on video by ...

XB-1’s supersonic flight took place in the same historic airspace where Chuck Yeager broke the sound barrier for the first ...

The X-59, part of NASA's Quesst program, completes afterburner testing for supersonic speeds with reduced noise.