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 ...

Scientists found a 3-foot-long creature with “sharp” teeth in a river in Vietnam and discovered a new species, a study said. Photo from Hieu Do Quang via Unsplash In a river of southern Vietnam, a ...

Iguanas are considered an invasive species in Florida and are being hunted by people like Marco Island resident John Johnson. Iguana bites, though rare, can be painful due to their serrated teeth and ...