A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Bonobo chimpanzees are unique among primates because they do not kill other bonobos. … They still showed increased alertness ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

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 ...

The Brevard Zoo announced it is now home to two black-and-white Colobus monkeys. This species of primate is classified as ...

Past theories have suggested that animals exhibit SSB to increase group cohesion, to signal dominance among a larger group, ...

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 ...

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

Some 60 primate species, including baboons, chimpanzees and vervet monkeys, express homosexuality, according to a new study that sheds further light on the evolutionary origin of same-sex intimacy.

Rhesus macaque monkeys, like the 43 that escaped a South Carolina medical lab this week, are among the most studied animals on the planet. And for more than a century, they have held a mirror to ...