NASA and Lockheed Martin have completed three engine run tests of the X-59 aircraft for its planned 2025 first flight under ...

Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.

The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over ...

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

Aerospace startup Boom says they've proven quiet supersonic flight is possible with their passenger airplanes after a ...

During the second supersonic flight of the XB-1 technology demonstrator today, the jet exceeded Mach 1 three times without a ...

When the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – ...

“XB-1 broke the sound barrier three times during its first supersonic flight—without an audible boom. This confirms what ...

Boom Supersonic says its XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below. CEO ...

A supersonic Boom Supersonic flight across the United States — beginning potentially as early as 2029 — could be at least 90 ...

Boom Supersonic broke the sound barrier again Monday, after a successful flight last month. On Feb. 10, Boom Supersonic performed another supersonic flight with its ...

The second series of supersonic flight tests are scheduled for 1:30 p.m. Monday as part of Boom “scaling up the technology on ...