The Phoenix Zoo announced Monday that it had euthanized its spotted hyena, Huckleberry, on Friday. The zoo made the decision to humanely euthanize Huckleberry after his mobility severely declined, it ...

From matriarchs who guide entire herds to queens that dominate their hives, the animal kingdom is full of powerful females ...

One of the most important steps in the evolution of modern mammals was the development of highly sensitive hearing. The ...