Scientists have described a particular movement observed mostly in young, teenaged anacondas, called an S-start. A mathematical framework shows that young anacondas, as opposed to babies and adults, ...

Snakes have adapted to climb trees, leap across hot sand, and even swim through water — all without arms or legs. What’s their secret? Mike Bock This corn snake, shown here at the Smithsonian's ...

The way baby yellow anacondas move — a spring-like launch driven by an S-shaped twist to flee from danger — may have given rise to sidewinding, the mesmerising gait of desert vipers and other species.