Two remarkably preserved fossils from an Oklahoma cave are offering new clues about how animals learned to breathe on land. The fossils belong to Captorhinus, a small early reptile partly “mummified” ...

Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in existence were soft-bodied and microscopic, leaving behind very little evidence ...

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

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

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 ...

Archaeologists working in the Southern Ural Mountains have uncovered an unexpected clue about how an ancient plague once moved across Eurasia. A tiny sheep tooth found at the Bronze Age site of Arkaim ...

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 ...

But new research shows that it was a case of mistaken identity with the fossil hiding its true nature as a result of de ...