Yellowstone to Yosemite: Kevin Costner speculates the reason behind Teddy Roosevelt's 'disappearing act' ...
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 ...
Hot on the heels of its milestone supersonic flight with its demonstrator aircraft, XB-1, Boom Supersonic has another ...
And yet, knowing what I know about the climate, the promise of a return to supersonic flight is a little tarnished. We’re in ...
Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...
American company Boom Supersonic just broke the sound barrier with a civilian plane. What exactly is supersonic travel, and ...