A regal fritillary butterfly lands on milkweed. The U.S. Fish and Wildlife Service proposed listing the butterfly as threatened (Jill Haukos/Konza Prairie Biological Station). Federal wildlife ...

Finally, some good news! Conservationists have successfully reintroduced previously extinct large blue butterflies to the UK, with the creatures populating parts of the country for the first time in ...

Rare large blue butterflies just experienced their most substantial reintroduction into the wild. About 750 of the globally endangered butterflies successfully hatched from larvae and flapped around ...

A perfect combination for butterfly watching is a purple-flowered butterfly bush with colorful swallowtail butterflies. This gardener spent many hours on our porch on warm sunny days watching them ...

On the 25th anniversary of the project that brought the large blue butterfly back from extinction in the United Kingdom, ecologists are for the first time publishing the decades of research that ...

Butterflies are a common, and usually, welcome sight in any garden. Whether you're curious about the type of butterfly frequenting yours, or you want to know more about how to attract butterflies to ...

A relatively large butterfly subspecies found only in western Colorado, northern New Mexico and far-eastern Utah would be listed for Endangered Species Act protection as a threatened species under a ...

DENVER — Colorado residents and visitors alike have noticed the state's taken on a tinge of orange due to an abundance of butterflies. The Denver Post reported Wednesday that Colorado's Front Range is ...