A biotech company made history with the birth of three genetically engineered wolves: What we know about these prehistoric ...

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 ...

The black fur allele has fitness costs but also confers higher immunity ... But in North America, especially in Yellowstone National Park where a large amount of wolf research is conducted, black ...