Hypersonic flight has long been a military obsession, but the idea of a sitting United States president crossing oceans at more than five times the speed of sound would push that technology into the ...

Just a couple of decades ago, aviation had some rules. If you wanted to fly fast within the atmosphere, you used a jet engine. The champion here was the SR-71 Blackbird, designed by Lockheed Martin, ...

China appears to have crossed a decisive threshold in airborne strike warfare with the first publicly observed integration of ...