All gases expand when the temperature increases, so when lightning superheats the air at just a fraction of a second, the air expands so rapidly that it compresses the air in front of it. Thunder is ...

The odds of being hit by lightning in any given year are less than one in a million, but one expert says that number may be ...

LYNCHBURG, Va. (WSET) — How does lightning form in a thunderstorm? As a storm is developing, the bottom of the cloud holds raindrops. The top of the cloud is colder and below freezing. It contains ice ...

An intense thunderstorm system moved into the Coachella Valley from northern Mexico on Tuesday morning, Sept. 2.

This is a picture of a storm as it is building up over an uncultivated agricultural field and some wind turbines in the horizon. It was shot at a location in the eastern part of the Netherlands.

No, there wasn't an earthquake -- but powerful thunderstorms with heavy rain and hail across the Chicago area may have made things sound and feel like there was. "Was anyone else just woken up by some ...

AUSTIN (KXAN) – Have you ever wondered why thunder can have different sounds? A crack versus a rumble? Startlingly loud versus calmingly low? Let’s dive in … The basics: what is thunder? Electrical ...