Fossilized claw tracks discovered in Australia show that the animal group that includes reptiles, mammals and birds formed ...

Fossil tracks found in Australia push the origin of reptiles back by 40 million years, altering the timeline of tetrapod ...

Newborn pilot whales have been spotted mysteriously swimming among pods of orcas. Scientists are trying to puzzle out how the ...

The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an Australian fossil site that represents a critical ...

The ancient footprints from Australia were found on a slab of sandstone recovered near Melbourne and show reptile-like feet ...

Embedded in the slab’s fine sandstone are delicate imprints: long toes ending in sharp claws, left by an animal that trotted ...

Archaeopteryx is the fossil that proved Darwin right. It's the oldest known fossil bird, and it helps show that all birds— ...

Learn what secrets this pregnant ichthyosaur reveals from the Early Cretaceous and why this find is so important.

A newly discovered fossil shark, Pararhincodon torquis, reveals ancient insights into shark evolution, shedding light on its ...

Mississippi has changed over millions of years and everything from sea monster to dire wolf fossils can be found here.

A previously unknown shark once swam around the shores of the U.K. more than 70 million years ago. The new species, named ...

Millions of years ago, iguanas somehow reached Fiji from America. Scientists believe they floated 5,000 miles on rafts of ...