In a new and ongoing exhibition, the American Museum of Natural History highlights the findings of Mark Norell and other ...

The parrots of San Francisco have ancestors from two species that hail from two completely separate parts of South America. Amir Aziz / Bay Nature This San Francisco story begins somewhere along the ...

On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs.

One of the most fascinating fossils discovered in Argentina includes a chicken-sized dinosaur whose existence challenges our understanding of the prehistoric world. The newly discovered dinosaur is ...

Unusually well-preserved fossils have provided the earliest known evidence of a land vertebrate that could pump air in and ...

The lighthouse rises from a rocky peninsula that juts into Lake Erie like a finger pointing north. That brilliant white tower ...

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including ...

This Parrot once painted South Dakota's skies with brilliant colors, but as settlers moved in, their vibrant flocks were ...

Scientists discover a tiny ancient reptile, Captorhinus aguti, that may explain how rib breathing evolved and how humans ...

Tanyka amnicola is a newly identified ancient tetrapod known from unusual twisted jawbones adapted for grinding plants. This ...

Your lungs are working overtime right now — probably without you even thinking about it. But the system powering every single ...

A 289-million-year-old mummified fossil of Captorhinus aguti, discovered in a Richards Spur, Oklahoma cave, has revealed the ...