We still don't fully understand what triggers lightning. A new study suggests that showers of cosmic rays may be the missing ...

This is the archetypal lightning bolt, one that arcs out of the sky and smites the ground with a great, often flickering flash of light. Lightning is the sudden release of built-up charge stored ...

The most powerful recorded example of this phenomenon, which occurred during a thunderstorm over Oklahoma in May 2018, contained roughly 60 times more energy than a standard lightning bolt and ...