A fast, land-running Triassic croc reveals how convergent evolution shaped predator bodies across time and environments.

In ancient Egypt, animals were not kept at a distance from daily life. People lived with them, named them, and included them ...

Researchers from the Canadian Museum of Nature (CMN) have identified a new species of rhino that once roamed Canada's High Arctic 23 million years ago. The extinct rhinoceros, described in the journal ...

Imagine creatures so old that their forebears roamed Earth when dinosaurs walked the planet. These incredible animals have defied the odds, surviving massive climate changes, shifting continents, and ...

Quick Take The discovery of the sea sponge order Vilesida and its unique sterols supports the hypothesis that animals may have originated 100 million years earlier than previously expected. Ancient ...

In a dry riverbed in Brazil, in a dense forest near the Amazon, a team of paleontologists found a fossilized jawbone from an ancient animal. Over the course of their fieldwork, they found eight ...

A groundbreaking new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in jellyfish and sea anemones, among the earliest creatures ...

The mouse on the left is a chimeric with dark eyes and patches of black fur, a result of stem cells derived from a choanoflagellate Sox gene. The wildtype mouse on the right has red eyes and all white ...

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million years old are rare molecular “fingerprints ...