A broken tooth lodged deep in bone can outlast the animal that lost it. In two whale skulls from Belgium, those fragments have done exactly that, preserving a moment of violence from roughly five ...

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

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

PHOENIX — Just when you thought it was safe to go back to northern Arizona comes word that sharks used to roam around Flagstaff. It was a long, long time ago. “[About] 260 million years ago, there was ...

PORTLAND, Maine — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those ...

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 ...

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 ...