We value your privacy
This site uses cookies to improve your browsing experience, analyze site traffic, and show personalized content.
The pups — named Romulus and remus — were born in late 2024 through cloning and gene-editing techniques, according to Colossal’s social media announcements. Their deoxyribonucleic acid or DNA was edited to include 20 genes identified from ancient dire wolf remains, including fossils retrieved from Ohio and Idaho that were between 11,500 and 72,000 years old, Beth Shapiro, the company’s chief scientific officer