Lightning is a giant spark of electricity in the atmosphere or between the atmosphere and the ground. It is created by differences in charges becoming too great for the insulating capacity of the air, ...

Ever sit outside on a warm summer's evening and notice flashes of lightning, but no actual rain clouds near you? This is commonly referred to as "heat" lightning. While it's not uncommon to see these ...

Lightning flashes from a thunderstorm light up the landscape in eastern Brandenburg. (Photo by Patrick Pleul/picture alliance via Getty Images) When thunder rumbles in the distance, there's a quick ...