A newly discovered primate that lived in Africa some 37 million years ago is somewhat of a black sheep, evolutionarily speaking. It just doesn't seem to fit into the family tree, no matter how ...

Primate ornamentation plays a crucial role in communication not only within social groups but also between them, according to a new study. The research reveals that the males of species with ...

Why be social? And, why not be? What are the costs and benefits of sociality, and what types of sociality characterize nonhuman primates? Given all of these potential costs of group living, why do so ...

Primates are a group of mammals that includes humans and our close relatives, such as apes, monkeys and lemurs. Monkeys, such as capuchins and macaques; prosimians, like lemurs and tarsiers; lesser ...

Palaeontologists working in Tanzania have discovered the oldest known fossils from two major primate groups — Old World monkeys, which include baboons and macaques, and apes, which include humans and ...