WASHINGTON— The annual count of migratory monarchs who spend the winter in Mexico was released today and shows that the ...

Early spring sightings show colourful insect is a resident species for first time in decades, says conservation charity ...

There has been a flurry of early sightings of the large tortoiseshell butterfly, a charity says.

A first look at new research from the forests of central Mexico.

A stunning butterfly classed as extinct for 30 years has been spotted across parts of England. The Large Tortoiseshell has ...

Wildlife charity Butterfly Conservation say that if sightings continue at this rate, they will officially remove the large tortoiseshell from their list of extinct British butterflies. Find out more ...

The Iowa skipper butterfly, once prevalent in prairies across the middle of the U.S., is now at risk of extinction — according to the Center for Food Safety, which has petitioned federal agencies to ...

Bay Area environmentalists believe the Trump administration is not only limiting the scope of the Endangered Species Act but ...

Mission Creek Correctional Facility is giving a select handful of female prisoners the opportunity of a lifetime to help scientists revive an endangered species. Just a two-hour drive from Seattle, ...