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 this undated file photo, the rainforest is shown in Panama. STOCK IMAGE/Getty Images In a typical lightning strike in a tropical forest, the lightning attaches directly to a large-canopy tree ...

The International Space Station has captured a photo of what in known as "Earth's tallest lightning". This form of lighting, known as a gigantic jet, is a type of discharge that occurs between ...