The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...

If you've been keeping tabs on aviation news as of late, you saw that Boom Supersonic just recently broke the sound barrier ...

Hot on the heels of its milestone supersonic flight with its demonstrator aircraft, XB-1, Boom Supersonic has another ...

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

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before Tuesday, no civil private manufacturer had passed the sound barrier with an ...

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's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier Tuesday.

Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a major milestone. Read our coverage here. Boom Supersonic plans to break the sound barrier during a test ...

A US company's prototype jet has broken the sound barrier in a demonstration it hopes will pave the way for a successor to the Concorde. Boom Supersonic's XB-1 is the first civilian aircraft to ...

American aerospace startup Boom made history on Tuesday by breaking the sound barrier during the test flight of its Boom Supersonic XB-1 demonstrator jet. The XB-1's flight, livestreamed from the ...

American aerospace startup Boom made history on Tuesday by breaking the sound barrier during the test flight of its Boom Supersonic XB-1 demonstrator jet. The XB-1's flight, livestreamed from the ...