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

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 – ...

Hot on the heels of its milestone supersonic flight with its demonstrator aircraft, XB-1, Boom Supersonic has another ...

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

Sonic the Hedgehog has proven that it's a marathon, not a sprint. While many fellow 90s platforming mascots have fallen by t ...