Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

Cats, our feline companions have two sets of teeth in their lifetime, just like humans. Ever wondered about those tiny, sharp, wonder tools of nature. Difference between adult and kitten teeth and ...

Simple shifts in tooth growth turned vole molars into complex, grass-cutting tools, revealing how small developmental tweaks drive evolution.

A fossil found in Georgia is helping scientists answer a big question: why do humans have such a long childhood? Compared to ...

Humans stand apart from many other primates by taking more time to mature, relying on a supportive network during a long period of childhood.