Back with a boom? Supersonic planes get ready for a quieter, greener comeback

Almost 20 years after Concorde was grounded, civilian supersonic aircraft seem ready to take off again. New technology is pushing a new generation of aircraft forward, but challenges remain, from regulations to plain old economics. 24 October 2003 was the end of an era. On that day Concorde, the legendary supersonic airliner, made its final … Read more