Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest ...

An extinct relative of the howler monkey may have been the first leaf-eating primate in South and Central America ...

Some meals come with an unexpected kind of company. In the clip, Benhmida sits with a monkey. "I was just eating eggs with my monkey, Iouki," the filmer, Benhmida, told WooGlobe. The monkey holds its ...