In the 460-million-year-old Eriptychius, the researchers found large, open pulp cavities and branching dentin tubules — an ...

Megalodon teeth have always been key to understanding the ancient marine predator. Fossilized teeth are all that remain to ...

The massive megalodon was not hunting only large marine mammals such as whales as researchers widely thought, a new study of ...

Scientists have uncovered evidence suggesting that human tooth sensitivity—those sharp jolts from a cold drink or a sudden ...