Anacondas rarely appear far from water. Their range follows flooded plains, swamp forests, slow rivers, and heavy tropical wetlands spread across northern and central South America. The snakes are ...

Skull scans reveal burrowing adaptations in Tametara mirim, a Cretaceous snake whose anatomy differs sharply from another ...

Learn about the debate over snake origins, and how a fossil of an early burrowing snake found in Brazil might provide answers. Snakes have managed to live comfortably without limbs for millions of ...

For more than a hundred years scientists who study fossils have debated one of evolution's biggest puzzles: where did the ...