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 ...

Tom Pierce’s hands move with precision as he wraps each black shark’s tooth with wire, laying them in a row on the glass counter. The process only takes a few minutes to create each piece of jewelry, ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...

Shark teeth are often considered the most common vertebrate fossils in the world, and for good reason. Each individual shark has rows upon rows of chompers that fall out and get replaced in conveyor ...

One of a blacktip reef sharks’ top teeth as seen under a scanning electron microscope. CREDIT: Maximilian Baum (HHU) / Steffen Köhler (HHU). Get the Popular Science daily newsletter💡 Breakthroughs, ...

The great white shark has an ancestor with teeth so sharp, it could chew through a turtle’s shell. Researchers have finally uncovered the prehistoric shark after years of odd clues suggesting there ...