Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

Across the globe, a small number of animal species are now so rare that only a few individuals remain in the wild. Habitat ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...