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 ...

Thunderstorms are one of nature's most fascinating and dangerous occurrences. We have all witnessed a lightning bolt illuminating the night sky and heard the booming crack of thunder that follows. As ...

A late-summer monsoon has delivered hundreds of thousands of lightning strikes across California, including in the High ...

A bolt of lightning heats the air through which it travels practically instantaneously to about 50,000 degrees F. Such extreme heating causes explosive expansion of the air followed by rapid cooling ...

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 ...

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 ...