Scientists have revealed a hidden trigger of lightning that could resolve a centuries-old weather mystery. Earth is struck by some 44 bolts of lightning each second, on average. Despite this, ...

Lightning has fascinated its observers since the beginning of human history. Those who painted the Lascaux cave walls in France approximately 20,000 years ago are believed to have represented it in ...

A Penn State-led research team has unraveled the long-standing mystery of how lightning begins inside thunderclouds. Their findings offer the first quantitative, physics-based explanation for ...

The crack of lightning has always seemed straightforward — clouds build up electric charge, and eventually, it snaps. But the chain of events that lights the sky has remained an atmospheric puzzle for ...