Seven down. Three to go. Boom Supersonic—the developer of a 64-to-80-passenger commercial airliner that flies faster than the ...

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 ...

"A sonic boom is not because it is breaking the sound barrier, anytime the rocket is going faster than the speed of sound it ...

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 ...

The dream of flying at five times the speed of sound still faces huge obstacles, ranging from technical to environmental to ...

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

This country is developing hypersonic commercial aircraft that can complete the journey between Paris to Beijing in just an ...

AN experimental Nasa airplane that "quietly" flies faster than the speed of sound could zoom from London to New York in ...

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

THE ‘Son of Concorde’ supersonic plane being built by Nasa has started testing its ‘quiet’ jet engines ahead of its first ...

X-59’s engine started for testing for the first time. NASA’s Quesst (“Quiet SuperSonic Technology”) mission recently achieved ...