It is easy to think of snakes as creatures that were always legless, gliding effortlessly through grass or sand. Yet millions of years ago, their ancestors had four fully formed limbs. The journey ...

A fossil found in Argentina is changing how scientists see the origins of snakes. The remains of __Najash rionegrina__ show that early ones still had hind limbs and kept skull bones that are missing ...

Explore how new fossils and advanced technology are revealing the evolutionary origins and diversity of snakes throughout ...