A bird swoops toward a bright orange-and-black moth resting on a leaf in the Amazon. It pulls up at the last second. The ...

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

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 ...

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 ...

Have the canines acquired strange mutations living near the power plant?

The Alabama Board of Education plans to make minor changes to its science course of study, but has no plans to remove a textbook insert, used since 1995, that calls evolution a “controversial theory.” ...

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 ...