For as long as people have watched storms roll across the sky, lightning has inspired awe and fear. You can see the flash and hear the thunder, but the true beginning of a lightning bolt has remained ...

An intense thunderstorm system brought rain and lightning to California's Coachella Valley. Dry lightning from these storms can spark wildfires, especially when vegetation is parched. Lightning is ...

Inside a charged storm cloud, they become something else entirely. As the electric field pushes electrons faster and faster, they slam into air molecules such as nitrogen and oxygen. These collisions ...