Quick Take Six animal species, including the slender-billed curlew and Christmas Island shrew, were confirmed extinct in 2025 ...

Could Homo sapiens and an archaic and now-extinct species of early human have lived alongside each other on the Indonesian ...

The Christmas Island shrew, a species of cone snail (Conus lugubris), the slender-billed curlew, and three Australian mammals ...

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

An elusive wild cat long feared extinct in Thailand has been rediscovered three decades after the last recorded sighting, ...

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 ...

Researchers at the University of Memphis used a free app to rediscover a species of beetle that was thought to be extinct.

To save it, they undertook one of the largest captive snail breeding and reintroduction efforts in Australian, and perhaps ...

Woolly mammoths haven't been seen for 4,000 years, but if scientists are successful, they could be walking around Alaska in just five years. Colossal Biosciences researchers in Texas who study ancient ...

The Christmas Island shrew is thought to be at least the third mammal species to go extinct on the island as a direct result ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.