Fossilized teeth of an ancient mega-shark has led us to understand Megalodon behavior a lot better. Here's what scientists ...

Their sharp teeth and tenacious bite have earned them a nickname on the other end of the religious spectrum: sand devil. As we mentioned, the angel sharks live up to their "squatty" name ...

When you think about sharks, the first thing that might come to mind are huge jaws filled with rows of deadly-looking teeth. But shark teeth come in many shapes and sizes. They can tell us how these ...