Fragmentary bones from Brazil reveal a new Triassic reptile close to the lineage that preceded dinosaurs and crocodiles.

Paleontologists are raving over a recent discovery of a well-preserved snake fossil from the Cretaceous Period, about 75 to ...

Do all animals look alike—or is it just our eyes playing tricks? At first glance, this seems like a straightforward question, ...

Nature is full of brilliant and spectacular creatures, but some animals are alone when it comes to their remarkable processes. While many species have similar abilities, a handful have talents that no ...

The evolution of early snakes has always been something of a mystery. But peering into the brain of an ancient fossil may ...

While humans and chimpanzees share a common evolutionary history, we will never hear how our ancient ancestors laughed.

Most people rarely think about which hand they use to button a shirt, hold a spoon or write a shopping list. The choice feels ...

Whenever Star Trek introduces a new species, there's always a risk of plot holes forming. For instance, I remember when ...

A newly identified fossil ape from northern Egypt is reshaping ideas about where the ancestors of modern apes first emerged.

New research provides the most comprehensive assessment to date of human influences on island biodiversity patterns.

Snakes first appeared during the age of dinosaurs, but fossils of many early species are so fragmentary that scientists have ...

Researchers have long known that the animals were introduced into the region's high-altitude bodies of water, but they ...