(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 ...

Sharks continually shed teeth throughout their lives, contributing to abundant fossil records. The Wilmington area is a hotspot for shark teeth due to favorable geological conditions. Shark teeth ...

Gasparilla Island State Park near Boca Grande, Florida offers pristine white beaches, fossil shark teeth hunting, historic ...

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 ...

Every time we see a picture of a dangerous-looking shark, the focus remains on their teeth: rows of sharp, ever-regenerating weapons that have made them some of the most fear-inducing predators in ...

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 ...

Tom Pierce’s hands move with precision as he wraps each black shark’s tooth with wire, laying them in a row on the glass counter. The process only takes a few minutes to create each piece of jewelry, ...

Scientists found shark teeth inside fossil whale skulls, revealing how sharks fed on whales millions of years ago.

Add Yahoo as a preferred source to see more of our stories on Google. If you're excited about Discovery's "Shark Week" and the celebrations around the 50th anniversary of the classic "Jaws" film, ...