Butterfly wings get their color in ways that almost feel impossible. Up close, each wing is made of countless tiny scales that either hold pigment or manipulate light. The oranges, reds, and browns ...

Share your milkweed with a queen butterfly, a regal year-round Southern pollinator. Find out what the adults and caterpillars ...

A selective mating experiment by a curious butterfly breeder has led scientists to a deeper understanding of how butterfly wing color is created and evolves. A selective mating experiment by a curious ...

As butterflies flit among flowers, they don't all view blossoms the same way. In a phenomenon called sexually dimorphic vision, females of some butterfly species perceive ultraviolet color while the ...

The U.S. Fish and Wildlife Service finalized federal wildlife protections for the rare island marble butterfly, which is only known to be viable on San Juan Island in Washington state. (Karen Reagan / ...