When you think of extinct animals, you might go to a saber-toothed cat, or the infamous dodo. But there are, unfortunately, a ...

Hidden in Bolivia’s seasonal wetlands, a small fish that scientists had written off as extinct for more than two decades has ...

A long-lost Bolivian killifish has been found alive, revealing a globally important hotspot for seasonal killifish diversity at risk from deforestation. Researchers have confirmed the rediscovery of ...

This video explores five species once declared extinct that were later found alive in surprising locations. It follows the ...

A version of the dodo bird (Raphus cucullatus) could make a return someday soon. Colossal Biosciences announced this week several milestones in its quest to bring the extinct species back to life. On ...

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 ...

It's the reptilian feel-good story of the year: A species of giant tortoise thought to be extinct for 150 years turns out to be alive and living on an even more remote island than the one from which ...

Advancing science may make it possible to bring back extinct species like the dire wolf—but should it? CU Boulder environmental studies and philosophy Professor Ben Hale says the answer is complicated ...

New research identifies 10,443 critically endangered species worldwide, with effective protection strategies available if funding and political will follow. More than 1,500 species, or 15% of the ...

(THE CONVERSATION) For decades, wildlife conservation policy has aimed to protect endangered species until there are enough individual animals alive that the species won’t go extinct. Then the ...