A giant tortoise species believed extinct for more than a century has been formally confirmed alive. Genetic analysis published in 2022 established that a female tortoise found on Fernandina Island in ...

Reports that a rare Bolivian killifish thought to be extinct has been found alive would be a landmark moment for conservation biology, but based on the material available here, I cannot verify any of ...

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 ...

Declared extinct for over a century, a lone giant tortoise has resurfaced on a remote volcanic island, raising urgent questions about survival, hidden populations, and whether a lost lineage can truly ...