Dallas-based Colossal Biosciences altered gray wolf DNA to breed the pups – just one of several species the company aims to ...

Colossal Biosciences said the wolf pups range in age from three to six months old and have long white hair and muscular jaws.

They’re dire wolf pups, back from extinction after some 12,000 years. Dire wolves thrived during the Pleistocene Epoch, when ...