Thunder is one of nature’s most dramatic sounds, accompanying brilliant flashes of lightning during a storm. But what causes this rumbling roar in the sky? To understand thunder, we must first explore ...

A Amanda Gumber, research assistant, Space Science and Engineering Center at the University of Wisconsin-Madison: Thunder is formed by the intense heating produced by lightning. The thunder you hear ...

Thunder is the acoustic shock wave from the extreme heat of a lightning flash. The latest edition of Science Behind the Forecast explains how thunder is created. This interview has been edited for ...