For centuries, witnesses have described luminous spheres appearing during or after thunderstorms. The reported objects may ...
Most Americans are familiar with the story of Benjamin Franklin and his famous 18th-century experiment in which he attached a metal key to a kite during a thunderstorm to see if the lightning would ...
A crack of lightning, a burst of heat, and suddenly a glowing sphere hangs in the sky like a craft from another world. Scientists now say this is not fantasy or folklore, but hard physics, after a ...