For centuries, witnesses have described luminous spheres appearing during or after thunderstorms. The reported objects may ...

Ball lightning has mystified scientists and witnesses for centuries, appearing as glowing orbs during thunderstorms that seem to defy physics. While thousands of people report seeing these luminous ...

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 picture portraying a UFO flying. 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 ...