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

For example, Andrew Grass, a geoscientist digging 30 feet away, has compared the teeth of extinct species of American horses from different ... collected a few mammal fossils and a red jasper ...

Mississippi has yielded numerous significant fossil discoveries in recent years ... extinct about 65 million years ago was a part of the evolution. Over time, Earth went into an ice age with ...

Before the Spanish introduced modern horses to the New World, horses roamed wild in North America, then they disappeared, but ...

The Chicago Archaeopteryx provides rare 3D insights into skull evolution, soft tissue structure, and the first evidence of ...

Fossil tracks from Australia reveal reptiles appeared 40 million years earlier than thought. The origin of reptiles on Earth ...

A new study suggests two fossil trackways found in Australia were made by an early amniote, a group that today includes reptiles, birds and mammals ...

Field crews in Wyoming uncovered not one but four snake fossils so intact that their skulls, ribs, and tails lay in ...

The first Archaeopteryx fossil, which showed reptile and bird-like features, supported Charles Darwin’s ideas on evolution and showed that birds evolved from dinosaurs. The new study was able to ...

Scientists dated a Scottish fossil, Westlothiana, to 346 million years ago, revealing its role in early land animal evolution ...

Scientists were finally given access to a remarkable Archaeopteryx fossil that’s allowed them to better understand exactly ...