Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many ...

The extinction of the megafauna—giant marsupials that lived in Australia until 60,000 to 45,000 years ago—is a topic of fierce debate. Some researchers have suggested a reliance on certain ...

To breathless media coverage, a company called Colossal Biosciences now claims to have produced three genetically engineered pups of the long-extinct dire wolf. Scientific criticism followed fast.

New fossil studies reveal that ancient predators like saber-toothed cats vanished rapidly after their primary prey species ...

To breathless media coverage, a company called Colossal Biosciences now claims to have produced three genetically engineered pups of the long-extinct dire wolf. Scientific criticism followed fast. The ...

And the law has succeeded in preventing the extinction of over 99% of listed species. Burgum is correct that most ESA-listed species have not recovered sufficiently to be “delisted,” declared ...

In two new studies, researchers at the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, have shed light on how interactions between predators and prey influenced the ...

In a mass extinction event some 40,000 years ago, Australia lost 90% of its large species, including nearly two dozen kinds of kangaroos. Two theories suggest why.

And the law has succeeded in preventing the extinction of over 99% of listed species. Burgum is correct that most ESA-listed species have not recovered sufficiently to be “delisted,” declared no ...