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

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

Many Delaware groups, including conservation organizations, state agencies and Sen. Stephanie Hansen, D-Middletown, are ...

Campbell’s work centers on the Karner blue butterfly, an endangered species in New York and nationwide, which can only eat blue lupine as a caterpillar. Wild lupine is a perennial that grows ...

In a forested region of Angola where a cliff separates the landscape, a new species of butterfly was discovered ... iridescent blue or green upperside of wings of males, and also because they ...