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 ...

With serpentine necks, flippers and a mouth full of needle-sharp teeth, plesiosaurs have captured imaginations since paleontologists uncovered the first specimen more than two centuries ago. Their ...

Now, in a new study, Milinkovitch and his team reported that the polygonal head scales form due to the growth and compression of skin, which creates a self-organizing pattern of folds. 2 These ...

A Nile crocodile. Leigh Bedford via Wikimedia Commons under CC BY 2.0 We commonly refer to scaly, itchy skin rashes as “crocodile skin.” Scientists, however, have just proven that real crocodile ...