Add Yahoo as a preferred source to see more of our stories on Google. Penn State scientists demonstrate that lightning-like electrical discharges can occur inside solid materials, not just in storm ...

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 ...

In the early 2000s, scientists observed lightning discharge producing X-rays comprising high-energy photons — the same type used for medical imaging. Researchers could recreate this phenomenon in the ...