Learn how a variety of tooth shapes drove evolution across multiple kinds of mammals.

All living mammals today, including us, descend from the one line that survived. During the next 145 million years of evolution, the dominance of dinosaurs ensured that our distant mammalian ...

The early evolution of mammals, it turns out, was far more complex and varied than previously understood. Lead author James ...

A new study outlines the ways by which city life may be shaping the evolution of urban coyotes, the highly adaptable ...

"This is unusual and tells us a lot about how mammals' evolution took place.” Small mammals living today have much shorter lifespans, some surviving for as little as 12 months, and maturing ...

A recent study has uncovered the surprising evolutionary origin of the mammalian outer ear, linking it to the gills of ancient fish and marine invertebrates. The research reveals that both structures ...

Gorgonopsians weren't a direct ancestor of living mammals, nor did they give rise to the saber-toothed cats that existed until around 10,000 years ago. However, they were part of the wider ...

Although they came into their own only after the extinction of the dinosaurs some 65 million years ago, mammals had maintained a low-profile existence for some 150 million years before that.