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

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.

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 ...

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.

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.

Beachgoers knew something was wrong when they heard a loud boom ring out as a paraglider spun out of control, killing its only occupant, extreme athlete Felix Baumgartner.

During the flight on 28 January, the team placed microphones along the plane's flight path at ground level. Despite traveling at a top speed of Mach 1.12, no associated boom was picked up. “XB-1 ...

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 ...