Lightning strikes happen when electricity builds up inside storm clouds and between the clouds and the ground. Inside a ...

Lightning strikes happen when electricity builds up inside storm clouds and between the clouds and the ground. Inside a thunderstorm, tiny ice particles and small hailstones bump into each other as ...

Lightning researchers expect lightning could become more frequent as temperatures rise. Photo by Rick Lipscomb, courtesy NOAA. The age-old maxim says lightning never strikes the same place twice.