Photographs (left) showing the extinct right whale partial skull with shark bite marks highlighted in red. The more complete ...

A broken tooth lodged deep in bone can outlast the animal that lost it. In two whale skulls from Belgium, those fragments ...

A collection of vicious weapons made of shark teeth reveals that two species of sharks vanished from the reefs of Kiribati before scientists even noticed the species were there. Until about 130 years ...

A new species of ancient shark was identified by teeth found in a Kentucky national park. The teeth were found at Mammoth Cave National Park, which encompasses some of the Mammoth Cave, the largest ...

For a shark that vanishes almost as quickly as it appears, the great white has left behind a surprisingly messy family ...

Learn how whale fossils and embedded shark teeth reveal feeding behavior and scavenging in the Early Pliocene North Sea ...

From embryo to turtle cracker: a team led by palaeobiologist Julia Türtscher from the University of Vienna studied the multiple changes in tooth shape in the tiger shark. The study, recently published ...

(Close-up of a shark with sharp teeth. Credit: GIOVANNI NITTI / Shutterstock.) Shark teeth are a marvel of evolution. They are so sharp that many island cultures once used them as weapons and tools to ...

Maryland leaders are considering a bill that would make the extinct megalodon the official state shark.

Sharks are known as iconic marine predators — and their sharp chompers come with the territory. Certain shark species can have hundreds to thousands of teeth at a time that are consistently yanked out ...

STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...