X-Rays and UV examinations of Psittacosaurus skin shine light on dinosaur transition from reptile to bird. The question of whether some dinosaurs were covered with either scales or feathers has a new ...

The genes that caused scales to become feathers in the early ancestors of birds have been found by US scientists. By expressing these genes in embryo alligator skin, the researchers caused the ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Fur continues to fly in the scientific controversy over whether most dinosaurs were covered with scales or ...

Turtles have roamed the Earth since the Triassic Period over 200 million years ago. A new study about their evolution, published in iScience, shows how the scales on turtles' heads can teach us more ...