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 ...

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 ...

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

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 ...

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 ...

One hundred years ago, the small town of Dayton, Tenn., became the unlikely stage for one of the most sensational trials in American history. A local substitute teacher, John Scopes, was charged with ...

Evolution has been known as survival of the fittest, however the fittest may also have been simply the luckiest. Though genetics are a driving force of evolution, many evolutionary changes were a ...