A Yale-led study warns that global climate change may have a devastating effect on butterflies, turning their species-rich, ...

The outlook for butterflies in the U.S. seems as fragile as their delicate wings, as a study reveals the population of 554 ...

Butterfly collections are a common sight in museums, their brightly colored wings and unique patterns drawing the eyes of ...

Thousands of new species are found each year. Here are three of our most recent eye-catching stories. The new species was ...

Mountaintops host some of the world's most diverse butterfly species, but climate change could transform these habitats into ...

The U.S. butterfly population — not just Monarch butterflies — declined 22 percent in two decades, according to ...

Although the researchers – who collaborated across the country – saw a 22% decline in the total number of butterflies, they ...