A colossal, exquisitely preserved dinosaur skull has been unearthed in China. The fossilized skull of this new dinosaur ...

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 ...

Before dinosaurs walked the Earth and tens of millions of years before the first mammals appeared, distant mammal relatives with long, serrated canine teeth were the dominant carnivores on land.

The oldest known sabre-toothed animal hunted large prey 270 million years ago – and its newly discovered remains could help us unravel how early mammal relatives became warm-blooded. This might ...

A newly discovered dinosaur species, Lishulong wangi, has been identified from a well-preserved skull found in southern China ...

Scientists have unearthed a remarkable fossil of a gorgonopsian, a saber-toothed predator they believe to be the oldest ever discovered.

This cartilage eventually became further elaborated to form the prominent outer ears of early mammals. An additional surprise was that the elastic cartilage of gills may have arisen much earlier than ...