Blue Morpho butterflies return to the Sophia M. Sachs Butterfly house to kick off the spring break season. Celebrating the ...

More than 20 years of habitat restoration and breeding programs have helped the endangered Karner blue butterfly make a comeback in the pine barrens of upstate New York where it was discovered by ...

The first insectile casualty of human activity in the United States was recorded around 80 years ago, new research has confirmed. The insect, the Xerces blue butterfly, died out in the mid-20th ...

It’s been roughly 80 years since the Xerces blue butterfly was last spotted flitting about on pastel wings across coastal California sand dunes. But scientists are still learning about the insect. The ...

There’s a small crowd hovering over the seacliff buckwheat in a native plant garden outside of the Point Vicente Interpretive Center in Rancho Palos Verdes. They’re looking for the El Segundo Blue ...

The Fender’s blue butterfly has fluttered away from the brink of extinction. The species, once so rare it was thought to be extinct, is no longer considered endangered, according to a January 11 news ...

Federal regulators have designated more than 5,200 acres high in the Spring Mountains as critical habitat for the endangered Mount Charleston blue butterfly, including one of the easiest places to see ...

After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct: No one recorded a single sighting for years. Finally, in 1999, a cheer went up ...