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 ...

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 ...

Nearly 100 million years ago, snakes weren’t the sleek, limbless creatures we know today—they still had hind legs and even a cheekbone that has almost vanished in modern species. A remarkably ...

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 ...

"I'm stunned." says Per Ahlberg of Uppsala University, who coordinated the study; "A single track-bearing slab, which one person can lift, calls into question everything we thought we knew about when ...

Imagine pulling a dusty bone from a museum drawer and realising it doesn’t fit anywhere in nature’s family tree, like finding a puzzle piece from another box. This is what happens when ...

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 ...