Scientists have for the first time genetically engineered a butterfly, inserting a jellyfish gene into an African butterfly so that its eyes fluoresce green. The butterfly, Bicyclus anynana, serves as ...

The metamorphosis of butterflies from larvae to pupae to adulthood is a natural wonder. By investigating the developmental processes that occur within the pupa, transforming it into a butterfly, ...

One hundred years ago, a little blue butterfly flew around the dunes of San Francisco with a little green butterfly. And then people came, filling hills and valleys with houses and pushing the blue, ...

Striking olive-green eye colour allows scientists to distinguish a new butterfly species, which was confirmed using Smithsonian entomology collections. Previously unrecognized because of its ...

A common sight in the forests and meadows of India is the common rose butterfly. Known for its velvety black wings and colorful body and tail, the common rose spends its day gathering nectar from ...