Experts worry this booming trade could doom the big cats in the wild.

Only one male has turned up at the birds’ breeding grounds this year — and he’s too young to breed.

Conservationists have helped to save North America’s largest bird from extinction, but it’s still important to give every chick a chance to fly free.

The fungus that causes white-nose syndrome continues its deadly spread west — but a meeting of bat researchers reveals cause for hope.

New research shows that 2,000-year-old baobab trees are suddenly dying. New trees won’t have a chance, either.

This small, flightless bird, native to an atoll in the Pacific, went extinct as a direct result of World War II.

It took a decade of hard work, but one of the world’s most important wildlife corridors is now emerging from the fragmented forests of coastal Brazil.

As the wild population of red wolves falls to just 40 animals, captive breeding may be their last chance for survival.

Exhaustive searchers have failed to turn up the lost Algerian species Adenocarpus faurei. Could other plants in the region also be extinct?

Thanks to protective efforts in Russia, these critically endangered big cats have renewed hope of avoiding extinction.