During the Nov. 5 test flight, which lasted 55 minutes, XB-1 reached an altitude of 23,015 feet (7,015 meters) and a new top ...

Boom Supersonic's XB-1 hits a new speed milestone of 629 mph, bringing it closer to breaking the sound barrier—setting the ...

XB-1 demonstrator did not quite break the sound barrier during its seventh test flight but reached speed and altitude ...

The latest test flight was piloted by Tristan “Geppetto” Brandenburg, a graduate of the United States Naval Test Pilot School. Along with breaking the plane’s speed record, his flight also reached new ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Boom Supersonic's XB-1 aircraft set a new speed record during its latest test flight.

Supersonic flight is on the verge of a comeback¹, and Boom Supersonic’s latest test flight just took us a step closer. With ...

"XB-1 is reaching higher speeds and altitudes, gradually expanding its flight envelope to prepare the aircraft and team for ...

Boom Supersonic continued its march toward Mach 1 with its sixth test flight last week, the second test flight in a month for ...

Supersonic test plane XB-1 smashed its top speed record Tuesday, screaming through the sky at Mach 0.82 or 499 knots (575 mph ...