Scientists decode mystery about how lightning strikes | The IndependentNotifications can be managed in browser preferences.Jump to contentIndependentNext articleIndependent Bulletin homepageSocial PartnerWe are 8 logo (opens in a new tab)AllNewsSportCultureLifestyleJulia MustoWednesday 30 July 2025 01:00 BSTWhat causes lightning?Scientists have unveiled the precise atmospheric processes that trigger lightning, solving a mystery that has persisted for over 270 years.The research, led by Penn State's Victor Pasko, explains how strong electric fields within storm clouds accelerate electrons, initiating a powerful chain reaction.This chain reaction involves electrons colliding with molecules, producing X-rays, additional electrons, and high-energy photons, which then lead to lightning strikes.The findings connect X-rays, electric fields, and electron avalanches, providing the first quantitative explanation for how lightning initiates in nature.The study also clarifies the phenomenon of “dark lightning” or terrestrial gamma-ray flashes, explaining their occurrence without visible light or radio emissions.In fullScientists say they’ve finally solved the mystery of how clouds shoot lightningThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in