This footage illustrates bright lightning flashes lighting up the sky during severe thunderstorm in Kellyville, NSW, ...

Florida retained its rank as the top state for the number of lightning strikes per square mile: 76. County with highest flash density: Monroe.

If the streamers can make contact with the step leader, an electric current wave propagates up the channel as a bright pulse -- lightning! And of course, with lightning comes thunder. Lightning ...

Have you ever been in a thunderstorm? The heavy rain, bright flashes of lightning, and the crashing and rumbling sounds of the thunder. It’s very exciting. Maybe even a bit scary. But what is a ...