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 ...

Shapes of beaks and snouts come in an extraordinary range of forms, reflecting adaptations to different lifestyles and ...

In ‘A Voice in the Wilderness,’ Joseph L. Graves Jr. discusses his scientific journey, how he debates racists, and more.

A long-standing assumption about evolution is being challenged by new research showing that vastly different species can rely ...

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

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

A molecular biologist may have found a new 'rule of biology.' The rule challenges long-held notions that most living organisms prefer stability over instability because stability requires less energy ...

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 ...