When University of Pisa paleontologists first found a prehistoric whale's skeleton 13 years ago among rocks in southern ...

For more than 140 years, Mixodectes pungens, a species of small mammal that inhabited western North America in the early ...

"During the Mesozoic, mammals were small," University of Georgia Odum School of Ecology professor John Gittleman said in a ...

Some of these giant vegetarians were as tall as a 3-story building. Microscopic analysis of their teeth, bones and eggshells reveals how they grew, what they ate and even their body temperature.

Larger species face higher cancer risks but those that reached that size rapidly evolved mitigating mechanisms.

A groundbreaking discovery in northern Patagonia has unveiled a new species of titanosaur, a colossal gentle giant that ...

We believe that if people know more about the world’s creatures they will better care for them. That’s why we add new animals for you to discover – each and every day! Learn about any animal using the ...