What Gives Fossilized Teeth Their Shiny Look? It’s a Preservation Process that Takes Millions of Years.

If you’ve ever picked up a shark’s tooth on the beach or seen a prehistoric creature’s skull on display at a natural history ...

Many animals can reshape and shed their teeth – and now scientists have traced this ability back 380 million years

A new study of ancient, extinct fish known as placoderms provides another piece of the evolutionary puzzle about our deep ...