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

Travis Kelce speaks out after Kansas City Chiefs’ heavy Super Bowl defeat Yellowstone to Yosemite: Kevin Costner speculates ...

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

Boom Supersonic says its XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below. CEO Blake Scholl hopes supersonic passenger flight will eventually be allowed in ...