Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...

Piranhas belong to a family of bony fish characterized by highly developed dentition. They’re cousins to the pacu fish, which has dentition eerily similar to human teeth. Unlike pacu teeth, which are ...

Saber-tooth predators have long fascinated scientists and the public alike, epitomized by the fearsome Smilodon. These animals evolved their iconic blade-like canines at least five independent times ...

Saber teeth — the large fangs of saber-tooth cat fame — are fearsome. They evolved at least five times in predators that are now extinct, but there's been something of a mystery as to why. Saber teeth ...