On a cold, thin-aired world where sound barely carries, a NASA rover has picked up something that should not be possible: the crackle of lightning on Mars. Instead of the deep, rolling thunder ...

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 ...

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 ...

An MLive reader has a question about why the thunder earlier this week was so loud and lasted a long time. There are two valid reasons. Elizabeth emailed me asking, “A couple days ago the storms we ...

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 ...