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 ...

On a cold, thin-aired world where sound barely carries, a NASA rover has picked up something that should not be possible: the crackle of lightning on Mars. Instead of the deep, rolling thunder ...

In a small lab at Penn State University, lightning may be happening on a scale smaller than a deck of cards. Victor Pasko, a professor of electrical engineering, and his team have shown that under ...