Although about half of primate species play as adults with other adults, a team of international researchers has just ...

Humans are far from the only primates engaging in same-sex sexual activity. A new study found instances in which 59 nonhuman primate species, including bonobos, chimpanzees and macaques, have taken ...

New research on primate social structures and brain anatomy is offering deeper insights into the evolutionary pathways of humans. Studies on baboons, macaques, and chimpanzees reveal complex social ...

Jane Goodall, whose lifelong work as a primatologist helped broaden the world’s understanding of animal behavior and emotions, has died, her institute said Wednesday. She was 91. Her field studies ...

As climate change intensifies, scientists are becoming increasingly concerned about how animals will cope with a more unpredictable world. One way to gain insight is by studying how animals have ...