The calcitic layers of the eggshells of archosaurs (including crocodilians and birds) and turtles are composed of distinctive ...

A study led by the University of Leicester has linked fossilized tracks of flying reptiles to the specific animals that ...

A newly analyzed fossil has revealed surprising insights into the evolutionary history of echidnas, suggesting that their ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found decades ago in Canada reveal.

Paleontologists assumed just one dinosaur egg type lay buried in Utah's Cedar Mountain Formation. Then they hit the jackpot.

A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

Tiny bone fragments from Alaska suggest birds started breeding and nesting in the Arctic 30 million years earlier than ...

Thousands of fossils from the La Brea tar pits in California show no signs of mammals and birds evolving in response to ...

The massive megalodon was not hunting only large marine mammals such as whales as researchers widely thought, a new study of ...

Breakthrough study reveals how woolly mammoths and Arctic animals evolved their cold-weather superpowers over 3 million years ...

New clues about our earliest ancestors suggest they may have reached Eurasia sooner than scientists once thought. Fossils ...