The permafrost of Siberia has the perfect conditions to preserve biological specimens for tens of thousands of years.

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

Is bringing a species back from extinction truly possible, or are we simply creating something new in its image? As headlines swirl around the highly publicized birth of three wolf pups, Curiosity ...

Colossal Biosciences is pursuing this plan, having already revived the dire wolf using grey wolf DNA, and is working on ...