At one time, there had been as many as 50 million buffalo on the North American plains. Even in the early 1870s, there were herds so vast that it took several days to pass them. Then two ...

Colossal Biosciences said it used ancient DNA from the extinct species to create three dire wolf pups named Romulus, Remus ...

North American Indians shared their world with two types of buffalo (plains and wood), eight species of bear, three primary species of wolves, 59 species of eagle, 150 species of antelope and 38 ...