More than 500 million years before “The Simpsons” introduced us to Blinky, a fish with an extra eye swimming through ...

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

To survive the deep ocean, sea creatures need all kinds of adaptations that give them alien-like appearances, like huge eyes ...

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