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 ...

Other benefactors include the far-sighted Englishman John Knowles, who established Britain’s first zoological collection ...

Thanks to some scraps of DNA and a lot of scientific ingenuity there's hope that some long-extinct creatures may walk the Earth again.

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 ...