Before we start talking about tiger shark teeth, get to know the shark that these teeth come from. Tiger sharks, like many other shark species (but not all of them), are solitary creatures. They tend ...

Sharks are some of the most fearsome predators in the ocean, but did you know they have a secret superpower? Unlike humans, who only get two sets of teeth in a lifetime, sharks never run out—some ...

A study, published in the Environmental Biology of Fishes on Dec. 4, has revealed that male sharks embrace their romantic partners by diving their teeth into a fin to begin fornication. Footage, ...

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 weapons at risk.