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, ...

In fact, Shao added, the strongest electric field ever detected inside storm clouds was 10 times weaker than what would be needed to spark lightning based on that theory. To solve the long ...

Content continues below A positive electrical discharge (+FD) refers to the initial spark of a lightning bolt, which extends downward towards the ground. The negative electrical discharge (-FD ...