Most people think of crocodilians as living fossils—stubbornly unchanged, prehistoric relics that have ruled the world's swampiest corners for millions of years. But their evolutionary history tells a ...

Corinthia Black studies the anatomical features of fishes and spiders to understand how life on Earth takes shape ...

Some species seem to live fast and die young. Others, though, “appear not to age,” says João Pedro de Magalhães, a molecular ...