A bright red band on a butterfly’s wing is a warning: eat me and you’ll regret it. That same red band shows up on dozens of ...

Evolution seems to follow a script more often than expected. Researchers found that distantly related butterflies and moths ...

A bright red splash on a butterfly’s wing is more than a pretty pattern. It is a warning label, honed by millions of years of ...

Galápagos plants show repeated evolution and emerging species, emphasizing evolution’s flexibility and active role today.

A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...

Why do you have five fingers? Why not ten, or twenty, or one? Why do so many animals have five fingers? Five seems to be the perfect number for most hands. Oddly, the first vertebrates to come onto ...

Snails on a tiny rocky islet evolved before scientists' eyes. The marine snails were reintroduced after a toxic algal bloom wiped them out from the skerry. While the researchers intentionally brought ...

A 30-year-long study of a small population of marine snail shows how evolution can adapt to environmental changes quite rapidly. This study revealed how a specific ecotype of the snail changed its ...