As the Earth faces unprecedented climate change, a look into the planet's deep past may provide vital insights into what may ...

The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...

“It’s a large mammal by Late Cretaceous standards (with an estimated body mass similar to today’s muskrat), whereas most mammals living at this time (70 – 75 million years ago) were mouse ...

A massive environmental calamity rocked the ancient Mediterranean. It took millions of years for the ecosystem to recover.

A clay pit in Germany has uncovered the remains of a second ape species, which is now considered to be the smallest to have ever lived.

It includes profiles and illustrations of prehistoric mammals such as Livyatan melvillei, a large predatory whale from the Miocene epoch. After the extinction of dinosaurs came the age of mammals.

During the Miocene, the Earth’s climate rebounded from the cooling of the prior epoch, with global temperatures and mammal biodiversity markedly increasing. Globally, temperatures were 3-4 ...

It belonged to oversize hoofed mammals like toxodonts, distant relatives of today’s rhinoceroses and tapirs; tall crocodiles ...

A fisher, an omnivorous and large mammal that’s part of the weasel family ... were completely wiped out of the Keystone State in the late 1800s and early 1900s following years of significant ...

Named Gondwanax paraisensis, opens new tab, the four-legged reptile species was roughly the size ... Rodrigo Temp Müller published late last month in the scientific journal Gondwana Research.

“Do you really want to see his X-rays?” said Stephen Colbert. By Trish Bendix Welcome to Best of Late Night, a rundown of the previous night’s highlights that lets you sleep — and lets us ...