A flash of shimmering blue on a sunny Hampshire day is always a treat - but not all blue butterflies are the same. Two species you may see are ...

Then soon the Karner blue butterfly will return to Western New York for future generations to marvel at and learn from and serve a reminder of both the interdependence and the resilience of nature.

LAS VEGAS— The Center for Biological Diversity and Lee Canyon reached an agreement today to allow the proposed expansion of the Lee Canyon Ski Area to move forward with significant new protections in ...

Several small, silvery-winged butterflies flitted among the native spotted bee balm and butterfly milkweed growing under the ...

A 93-year-old Xerces blue specimen’s DNA shows that the butterfly is a distinct species, making it the first U.S. insect humans drove to extinction.

The Butterfly Project is already seeing results. The Urban Wildland Group, which models the recovery of the Palos Verdes blue butterfly, estimates there are hundreds of the rare flyers on the Navy ...