Fossilized footprints and tracks dating back 50 million years ago discovered at the John Day Fossil Beds National Monument ...

The life of a 166-million-year-old reptile has been turned upside down. While Marmoretta oxoniensis was believed to have swum ...

In a quiet part of what is now South Australia, more than half a billion years ago, life was locked in battle. The ocean ...

Have you ever wondered what the world looked like millions of years ago? Imagine walking in a place where every rock could ...

Imagine a world where the boundaries between “fish” and “not-fish” blur, where the ancestors of birds and mammals once swam ...

2025 — New research has revealed that birds, reptiles, and mammals have developed complex brain circuits independently, despite sharing a common ancestor. These findings challenge the ...

May 21, 2024 — Scientists discover 'zoned development' in dinosaur skin, with zones of reptile-style scales and zones of bird-like skin with feathers. A new dinosaur skin fossil has been found to be ...

Their state of neoteny was an adaptation, say Olson and James, to an ecosystem in which there were no mammals or reptiles ... bird, Hume says. Originally, on the basis of fragmentary fossils ...

Clayton Phipps looks over the massive ceratopsian fossil. The ancient creature’s ... from the family of beaked and bird-hipped plant-eaters beloved by children for their horned faces.

A landowner in Argentina discovered the fossilized remains of a prehistoric marine reptile, identified as an ichthyosaur, in the province of Neuquén.