A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

Nothing brings a group of primates together, humans included, quite like a threat from outside. Bonobos are unique among primates because they do not kill other bonobos, even during conflicts with ...

If you lose your sight, you make up for it with other senses. If one arm is amputated, you learn to do twice as many things ...

Abigail Morris first visited the Peruvian Amazon when she was 6 years old. Now, as a Ph.D. candidate in the Animal Behavior ...

Between Nigeria’s Cross River and Cameroon’s Sanaga River lies one of West Africa’s largest remaining blocks of intact ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...