Fossil evidence has established that modern dolphins and whales derived from small, four-limbed, hoofed animals that lived in South Asia during the Eocene around 50 million years ago. The ...

A newly discovered whale that lived nearly 40 million years ago could be the heaviest animal to have ever lived, based on a partial skeleton found in Peru, scientists said on Wednesday.

If so, be happy that you weren't around 40 million years ago. Back then, Europe's climate was warmer and more humid, which ...

But whales took all that effort and threw it out the window. From 50 to 40 million years ago they traded in their four legs for flippers. In fact, some whales today still have leftover bones of ...

It also used its tail for swimming. An artist's impression of Dorudon, an ancestor of modern whales Further along this evolutionary journey we find Dorudon, which lived 40 to 33 million years ago.

“The research furthers our understanding of prehistoric southern ecosystems in Australia and New Zealand during the Late Triassic to mid-Paleogene periods (230–40 million years ago).” ...

but lived 195 million years ago in the Early Jurassic period. Called Hadrocodium wui, the little creature had certain key mammalian features 40 million years earlier than had previously been known ...

Two Paleontology and Evolution students from the University of Bristol have undertaken the first ever study which describes ...

Paleontologists found a group of four-legged Triassic creatures preserved in the same bone bed—but they don’t know what ...

Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and ...

Over two hundred fifty million years ago, India, Africa, Australia, and South America were all one continent called Pangea. Over the next several million years, this giant southern continent ...