An expert explains that strange "barking dog sound" before a plane takes off, and gives us one less thing to worry about the ...

A 16-ton CIA spy plane crashed in Death Valley in 1952, where it remains to this day. You can hike out and see it, but it is ...

This amazing image shows the moment Boom Supersonic's XB-1 aircraft broke the sound barrier during its second supersonic ...

New photograph captures breathtaking sight of history-making Boom Supersonic's XB-1 passenger plane as it hits supersonic ...