Sharks have ruled the Earth’s oceans for 400 million years. Recent research on fossil shark teeth has discovered an ...

Sharks have teeth adapted to their individual diets ... This makes them incredible ambush predators. Do sharks have silky, smooth skin? Myth! Sharkskin actually feels like sandpaper, because ...

Sharks have teeth that are kind of on a conveyor belt ... with huge aggregations of things like scallops, hammerheads and silky sharks and there could be several hundred in one shiver.

Many animals migrate long distances in order to follow food, weather patterns, or to mate. Keeping track of how far animals travel is important for scientists who need this information for ...

Remarkably, fossil shark teeth are also incredibly abundant. Sharks ruled the earth's oceans for 400 million years, and every individual grows and sheds thousands of teeth in their lifetime.