Entirely new forms of lightning have been discovered. Up to 1000 times bigger than any bolt previously seen. While normal lightning fires down below clouds, these giant bolts shoot up kilometers into space. This lightning, six times more powerful than passenger planes are built to withstand, may be the real killer in the spate of baffling air disasters. For the first time we can reveal the photograph that sparked a secret NASA inquiry – was there proof that a high altitude lightning strike caused the crash of the space shuttle Columbia?
