As more and more "historical" checklists are added to the platform, birds we've lost now mingle with those still hanging on.

In tropical forests, endangered species inside protected habitats are still in danger from threats from beyond their ...

Imagine a world where the woolly mammoth and the dodo roam the earth once more. Texas scientist Ben Lamm believes this could be reality in just a few years.

Global warming is producing a rapid loss of plant species -- according to estimates, roughly 600 plant species have died out since 1750 -- twice the number of animal species lost. But which species ...

Researcher Laurenne Schiller says “it’s not rocket science” that recovery for threatened or endangered species in Canada is ...

A critically endangered lizard on the West Coast is facing extinction because of a "mouse eruption", the Department of ...

Today, there are only 73 southern resident orcas left, fewer than when they were listed for protection, and their risk of extinction is accelerating.

Between climate change and the effects of humanity on the environment, many species have been harmed. Here are a few of them ...

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Every week in Texas, dogs and cats are added to the heartbreaking "Urgent List," a last chance for animals facing adoption deadlines. These pets deserve a second chance at happiness, and now more than ...