Why was it the mammals who triumphed? An asteroid impact triggered the K-Pg mass extinction, wiping out the non-avian dinosaurs, ending the Age of Reptiles, and ushering in the Age of Mammals.

Pterodactyls are flying reptiles that lived at the same time as the dinosaurs ... Some animals around today are not ...

In addition to its particularly beautiful scenery, Dinosaur Provincial Park – located at the heart of the province of Alberta's badlands – contains some of the most important fossil discoveries ever ...

Lizards are a diverse and ancient group of reptiles that live around the world today. There are thousands of lizard species, and each has special adaptations and traits. They range in size from the ...

Our brief introduction to dinosaurs reveals a key feature that gave them an advantage over other prehistoric reptiles. Dinosaurs are a group of reptiles that dominated the land for over 140 million ...

(via PBS Eons) An asteroid impact triggered the K-Pg mass extinction, wiping out the non-avian dinosaurs, ending the Age of Reptiles, and ushering in the Age of Mammals. But why was it the mammals who ...