Learn how whale fossils and embedded shark teeth reveal feeding behavior and scavenging in the Early Pliocene North Sea ecosystem.
Sharks have long been known for their razor-sharp teeth, weapons that make them some of the ocean’s most effective hunters. But new research suggests that these powerful tools may not be as invincible ...
PORTLAND, Maine (AP) — 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 ...
Weighing up to 500 pounds and measuring more than 11 feet long, bull sharks are massive apex predators that can live in both saltwater and freshwater. They primarily stick to tropical coastlines and ...