Weighing up to 500 pounds and measuring more than 11 feet long, bull sharks are massive apex predators that can live in both ...

Some sharks are defined by more than just their size—their teeth are what truly set them apart. From razor-sharp rows built ...

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 ...

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 ...

As the best hunters in the ocean, sharks have scared and fascinated people for generations. They rule the ocean with rows of very sharp teeth and senses that can pick up even the smallest splash. The ...