A recent study, published in Papers in Palaeontology, discusses the reanalysis of the only known Idiorophus patagonicus ...

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 ...

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

The fossil, a humerus ... it is believed that dolphins and whales evolved from land animals and share lineage with hippos. But there are few examples that show evolution from water to land. The ...

The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ancestor.

From dog-like ancestors that roamed the shores to the fully aquatic cetaceans we know today, the fossil record of whale evolution stands as one of the most complete and compelling examples of ...