The plight of the Quino checkerspot butterfly has been described by a biologist as “four engines out and about 10 seconds to impact.” The Quino checkerspot was once one of the most common butterflies ...

is a very common sight in the West. The zebra swallowtail of eastern forests is our personal choice for the most beautiful butterfly. It’s striped black and white, as the name suggests ...

Mountaintops host some of the world's most diverse butterfly species, but climate change could transform these habitats into ecological traps according to a new study. A Yale-led study warns that ...

In a first-of-its-kind study, Yale researchers were able to create a global map of butterfly diversity “hot-spots.” These ...

The outlook for butterflies in the U.S. seems as fragile as their delicate wings, as a study reveals the population of 554 species plunged by 22% in 20 years.

The plight of the Quino checkerspot butterfly has been described by a biologist as “four engines out and about 10 seconds to impact.” The Quino checkerspot was once one of the most common butterflies ...