Some may already be familiar with the sonic boom that accompanies a break to the sound barrier, but when and why would ...

The general thinking among the human race is that we get smarter, over time. But this chart, from a new Government Accountability Office report into the Air Force’s F-22 program, suggests ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.