Archaeologists believe they have found one of the oldest burial sites in the world at a cave in Israel, where the ...

Two exceptionally well preserved reptile skeletons dating back to the Triassic period have totally rewritten our understanding of the evolution of skin appendages such as feathers and hair. Known as ...

In the rodent family tree, deer mice separated from the ancestors of house mice and rats about 25 million years ago. By some ...

Two closely-related species of deer mice have evolved very different responses to aerial predators thanks to tweaks in deep brain circuitry.

In the long history of life on Earth, one of the biggest turning points came when our distant ancestors stood tall—literally. The way mammals stand and walk today, with limbs tucked neatly under the ...

This left a gap in the fossil record, but Petrified Forest National Park didn’t get its name for nothing: The volcanic ash that burst from California’s Mojave Desert ended up in northeast Arizona’s ...

Protein remnants in fossil enamel reveal new ways to study evolution. These molecules stretch our view of molecular ...

PROTEUS, a system designed to harness “directed evolution,” can speed the process up by years, or even decades.

And once a mammal becomes an obligate ant-eater, it usually doesn’t go back. In fact, almost all lineages that adopted this diet stayed that way. Only one group, the elephant shrew genus Macroscelides ...

H umans are a suggestible species. We see a friend yawn, we yawn. We see a stranger yawn, we yawn. We see an animated blob do ...

Signals used by elephants to manage competitive play sessions provide hints to the roots of empathy in social mammals.