Rattlesnakes, known for their iconic rattle and potent venom, are among North America’s most formidable predators. Despite these defences, they are not invulnerable. Numerous animals have evolved ...

In the rainforests of Central and South America, a bright green snake often slips silently through the trees. Known as the ...

A tiny 242-million-year-old fossil from Devon is shaking up scientists’ assumptions about the earliest members of the lizard lineage. Instead of the expected skull hinges and palate teeth typical of ...