English Bulldogs are known for being the class clowns of the dog world, as well as being pretty lazy dogs who love nothing more than a long nap. They also live up to their "house hippo" nickname; they ...

Lions rarely hunt hippos, but hungry lions can do crazy things. As extreme drought overtakes Katavi, predators struggle to find food. Lions rarely hunt hippos, but hungry lions can do crazy things.

Adoring fans from around the world converged in Thailand this week to celebrate the first birthday of Moo Deng, the baby pygmy hippo who became a social media sensation. John Yang reports. Thousands ...