Back to today’s briefing

Story perspectives

Penn State Scientists Unravel Lightning's Intricate Secrets

7/29/2025

23 4

Summary

Story summary

Penn State University scientists have unveiled a groundbreaking discovery about lightning strikes, revealing a fascinating chain reaction of X-rays, electric fields, and electron avalanches within thunderclouds. This intricate interplay not only explains the formation of lightning but also leads to detectable gamma-ray flashes and radio emissions, as detailed in their recent publication in the Journal of Geophysical Research.

1 of 1

Story summary

Penn State University scientists have unveiled a groundbreaking discovery about lightning strikes, revealing a fascinating chain reaction of X-rays, electric fields, and electron avalanches within thunderclouds. This intricate interplay not only explains the formation of lightning but also leads to detectable gamma-ray flashes and radio emissions, as detailed in their recent publication in the Journal of Geophysical Research.