Scientists Identify Microlightning as Source of Mysterious Blue Marsh Lights

Oct 5, 2025 - 13:00
Scientists Identify Microlightning as Source of Mysterious Blue Marsh Lights
For centuries, tales of mysterious blue lights above swamps fascinated people. Modern experiments now explain that microlightning sparks between charged methane bubbles from decomposing plants produce the eerie glow known as will-o’-the-wisps.