(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 ...

Great white sharks have a reputation for being some of the most ferocious animals in the ocean, owing in part to their mouth full of sharp, serrated teeth. Most people believe that they are born as ...

The 3-inch long teeth are on display at the Melbourne Museum. No, this isn't a publicity stunt for the new movie "Meg." A teacher and fossil enthusiast found a giant set of prehistoric shark teeth ...

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, ...

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A woman discovered a rare shark tooth in Florida, offering a glimpse into prehistoric times. Nichole Mercuri, 26, was walking along a Florida beach when she says she spotted a giant tooth that once ...

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VIRGINIA BEACH — One of the most fearsome predators to rule the seas millions of years ago may have left something behind at Virginia Beach’s North End. Terry Siviter and his 5-year-old grandson, ...

Jacob Danner has searched a Florida beach for washed-up items almost every sunrise for the past year. But three weeks ago, Danner, an art curator, found his first megalodon tooth - 3 inches long, and ...

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 ...