Some 247 million years ago, a bizarre, six-inch-long reptile crept down a branch, its prehensile tail and feet clutching the bark like a monkey, and its narrow, birdlike face scanning its surroundings ...

A feathered dinosaur with a parrot-like beak is helping shed new light on how reptile scales became bird feathers, according to scientists. Psittacosaurus – a plant-eating creature about the size of a ...

Teeth marks made on the leg bone of a large avian reptile known as a terror bird 13 million years ago suggest an even bigger predator may have killed it, scientists ...