Colossal Laboratories recently announced it had "restored a once-eradicated species through the science of de-extinction" and "returned the dire wolf to its rightful place in the ecosystem." In the ...

A woolly mouse compared with a normal mouse, at Colossal Biosciences labs. Editor at Large Extinction is typically for good. Once a species winks out, it survives only in memory and the fossil record.

Just more than a week has gone by since Colossal Biosciences, the company seeking to bring back the woolly mammoth, revealed it had produced three live dire wolves puppies – Remus, Romulus and ...