Despite not being particularly mammal-looking, the earliest true mammals began to rise about 200 million years ago, when dinosaurs were still roaming Earth. However, the therapsids still had important ...

When most people think of whiskers, they think of cats — even the most straightforward drawing of a cat often includes long whiskers — but did you know that dogs have whiskers too? Just like cat ...

RIO DE JANEIRO — High above this Brazilian city, in a jungle blanketing a mountain, the turtles were out and the scene was hopeful. Scientists were reintroducing 15 mud-caked tortoises to this urban ...

Ancient fossils unearthed in Africa show rock hyraxes dragged their hindquarters for locomotion. This behaviour has been ...

Fossil-hunters in China have discovered two skeletons from a kind of animal never seen before: a dog-sized mammal that lived about 135 million years ago. The discovery overturns the conventional ...

An astonishing new fossil unearthed in China has overturned the accepted view about the relationship between dinosaurs and early mammals. The specimen belongs to a primitive mammal about 130 million ...