Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

Two marsupial species thought long extinct, until now known only from fossils, were found alive in New Guinea through a ...

“Living fossil” is often misused, but chitons really haven’t changed much in about 300 million years.

If you thought that crocodiles were menacing enough, be glad that you didn’t live in Arizona some 225–201 million years ...

New minuscule fossils of Purgatorius, the earliest-known relative of all primates—including humans—have been unearthed in a ...

Indigenous people in Papua, Indonesia, have helped scientists track down two animals that were thought to have gone extinct thousands of years ago: a relative of Australia’s greater glider and a ...

Biologists identify a new species of "living fossil" chiton through cutting-edge mitochondrial genome sequencing.

Millions of years ago, England was a much different place than it is today. In the Late Eocene, England was rich with ...

Tiny fossil teeth from Colorado are revealing new clues about the very first relatives of primates, including humans.

A few teeth, smaller than a grain of rice, are changing the map of your earliest primate relatives. They come from a creature called Purgatorius, a tiny tree-dwelling mammal that lived about 66 ...

A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

A single femur found in Bulgaria appears to represent an ape or early hominin that walked on two legs before any known African hominin, but the evidence is far from conclusive ...