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

When the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – ...

The method consists of drawing a grid across Sonic's face and joining up the lines, then adding on the legs and arms to reveal Sonic in a running position. I'll be honest, I wasn't convinced by what ...