Growing up, I never loved jewelry. But I’ve been wearing the same necklace for the past year: a wrapped lemon shark tooth that I found on Wrightsville Beach, which never fails to act as a conversation ...

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 ...

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 ...

Analyzing over 9,000 fossil shark teeth reveals that today’s sharks occupy less ecological space than their ancient counterparts. (Maggie Martorell/Miami Herald/Tribune News Service via Getty Images) ...

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