Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA to breed the animals. Dire wolves ...

They’re dire wolf pups, back from extinction after some 12,000 years. Dire wolves thrived during the Pleistocene Epoch, when they roamed in packs across what would later become the Americas. Standing ...

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

Colossal Biosciences revealed its small pack of genetically-modified dire wolves. The company's "de-extinction" plans include the woolly mammoth.