This video explores five species once declared extinct that were later found alive in surprising locations. It follows the circumstances that allowed these animals to persist unnoticed for years or ...

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

On a lawn inside the Bronx Zoo, rows of headstones display multiple animal species, making for an eerie display during the ...

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 ...

If an animal hasn't been seen in the wild for more than fifty years, it's technically extinct. But academic criteria haven't stopped some disappeared species from reappearing, confounding official ...

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

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 ...

Przewalski’s horses return to Kazakhstan, restoring steppe biodiversity and proving extinct-in-the-wild species can survive through coordinated global conservation efforts.

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 ...

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 ...