Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, ...

A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat ...

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

As a critically endangered species, the manumea could be considered mostly dead, but there’s a big difference between that ...

A small, water-loving feline that many scientists had quietly written off has stepped back into view in the forests of ...

The manumea, a critically endangered ground pigeon and one of the closest living dodo relatives, has been spotted multiple ...

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 ...

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 ...

The tragic news of the loss of the world's last remaining northern white rhino begs the question: Can it be brought back?

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 ...

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 ...

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 ...