Some fireflies species are in trouble, but here’s why they won’t completely disappear – and simple ways you can help save ...

Add Yahoo as a preferred source to see more of our stories on Google. A Silvery Blue butterfly. Gayle Laird More than 80 years after the iconic Xerces Blue butterfly vanished from San Francisco, ...

The beautiful Xerces blue butterfly was a distinct species, according to a new study. It hasn't been seen alive since 1943. Reading time 3 minutes Scientists say they’ve confirmed a decades-old ...

The Xerces Blue butterfly (Glaucopsyche xerces) was native to the coastal dunes of San Francisco, in the United States. As the city grew, much of the butterfly's habitat was destroyed and its ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The first insectile casualty of human activity in the United States was ...

A butterfly that went extinct decades ago after the destruction of its Bay Area habitat is now the driving force behind its restoration with the help of a close relative now fluttering in its terrain.