Picture an animal that huddles up with others when stressed, babysits its young, hangs out around relatives, and gathers in big groups every year. Did you imagine a rattlesnake? For a long time, ...

Off the coast of Brazil lies an island where snakes dominate every level of the ecosystem. Isolated for thousands of years, evolution pushed them into roles normally shared by many species. Their ...

A strange Jurassic lizard discovered on Scotland’s Isle of Skye is shaking up what we know about snake evolution. Named Breugnathair elgolensis, the “false snake of Elgol” combined hook-like, ...

Sulfur butterflies glide across Zorrillo Canyon, hundreds of them, moving back and forth against the cerulean sky. It's nothing short of a fairy wonderland for the scientists below. At least, that's ...