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 ...

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 ...

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

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 ...

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