In most vertebrates, skin appendages such as hair, feathers, or scales originate from placodes—small, specialized skin regions whose spatial organization is controlled by well-conserved genetic ...

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 ...

Every several years, small groups of hatchling North Pacific loggerhead turtles, an endangered species, embark on years-long journeys spanning thousands of miles from Japan to the West Coast of North ...