New research shows how just one gene controls whether a certain species of butterfly has white or yellow spots on its wings. Heliconius butterflies are a diverse and colorful group of species that ...

The delicate charm of a butterfly, with its fabulous fluttering wings and jewel-toned hues, is a sight to behold. Even so, you may have, at some point in your life, wondered if these colorful ...

These speedy little flyers are found all over the country and are also shared with some parts of Australia. They resemble the ...

Heliconius charithonia is one of the species of butterflies whose wing patterns scientists scrutinized to better understand the evolutionary process. This butterfly is wild-type; the genetically ...

Butterfly experts have suspected for more than 150 years that vision plays a key role in explaining wing color diversity. Now, for the first time, research shows the truth in this theory -- at least ...

EVERETT — An abundance of yellow butterflies has made it a colorful summer in the Pacific Northwest. It’s not just casual gardeners who have noticed the boom in tiger swallowtails. Across the ...

It's a mystery how butterflies manage to make their brilliant wing colors, but Yale physicists got a glimpse when they took the question to the lab, breeding dull brown butterflies into purple ones.

Pam Monahan photographed a beautiful gulf fritillary butterfly with wings that look like stained glass in the butterfly garden at Virginia Beach Middle School. Monahan was participating in the North ...