A 100-million-year-old fossil of Najash rionegrina from Argentina shows early snakes retained hind legs and a cheekbone, challenging the long-held belief they evolved from small burrowers. The find ...

A new species of fossil snake unearthed in Wyoming is rewriting our understanding of snake evolution. The discovery, based on four remarkably well-preserved specimens found curled together in a burrow ...

The discovery of an ancient snake fossil has changed the way that scientists view the evolution of snakes. About one hundred million years ago, some snakes did not have complete limbs - they still had ...

The evolution of snakes, believed to have emerged around 160 million years ago from ancestral lizards, remains a scientific ...

In deserts, jungles and swamps around the world, snakes are waging a biochemical war against their prey. When a snake displays its fangs, it’s showing off one of evolution’s greatest weapons. This is ...

An extinct snake has slithered its way out of obscurity over four decades after its discovery. The newly described species of reptile, Paradoxophidion richardoweni, is offering new clues in the search ...

Not long after the origin of snakes—when certain lizards began to lose their legs more than 150 million years ago—a burst of evolutionary innovation paved the way for the variety of serpentine shapes, ...

A new study of rice paddy snakes in Southeast Asia gives key details to their diversification and natural history, adding molecular evidence that the rise of the Khorat Plateau and subsequent ...

The opening pages of the 1943 book The Little Prince recall how the narrator, as a child, once drew a picture not of a hat — as every adult insisted it was — but of a boa constrictor that had ...

From navigation to social behavior to personality, scientists are rewriting what it means to be a clever snake. Here’s what we know, according to research. Snakes have long been cast as cold, ...

The fossilized skeleton of the newly discovered snake species Hibernophis breithaupti, which lived 38 million years ago in what is now western Wyoming, reveals insights into the evolution and social ...