After months of test flights, NASA’s X-59 aircraft is gearing up for its biggest challenge yet: breaking the sound barrier ...

NASA's X-59 jet is on the verge of finally breaking the sound barrier as the agency looks forward to the aircraft's first ...

Boom Supersonic's XB-1 test aircraft successfully completed its seventh subsonic flight, setting new speed and altitude records, and is on track for supersonic flight tests by year-end. The XB-1 is a ...

NASA’s futuristic X-59 jet is about to face its biggest challenge yet: breaking the sound barrier for the first time. After a successful series of test flights that pushed the aircraft to ...

Each step in the testing program “brings us closer" to "the future of commercial supersonic flight," the project manager of ...

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 ...

A next-generation aircraft dubbed the “son of Concorde” could make its first supersonic flight within days as NASA prepares ...

Boom Supersonic has an impressive new speed record in its latest test flight with its XB-1. With its vision set to revolutionize air travel, this is a huge step to make things happen. The test flight ...

Hermeus said its uncrewed Quarterhorse Mk 2.1 aircraft reached Mach 1.21 during a test flight at Spaceport America.

Occasionally I see references in Astronomy to the speed of something as "supersonic." I'm having trouble reconciling this ...

MOJAVE, Calif. - XB-1 became the first American-made private supersonic jet to fly faster than the speed of sound as Boom Supersonic works toward building a fleet of supersonic jets for commercial air ...