The wolf pups, which range in age from three to six months old, have long white hair, muscular jaws and already weigh in at around 80 pounds — on track to reach 140 pounds at maturity, researchers at ...

The wolf pups, which range in age from three to six months old, have long white hair, muscular jaws and already weigh in at around 80 pounds on track to reach 140 pounds at maturity, researchers ...

The wolf pups, which range in age from 3 to 6 months old, have long white hair, muscular jaws and already weigh in around 80 pounds — on track to reach 140 pounds at maturity, researchers at ...

(Video production: Laura Bargfeld) This undated photo provided by Colossal Biosciences shows a young wolf that was genetically engineered with similarities to the extinct dire wolf. (Colossal ...