Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

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

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

Behaviour among non-human species could help keep groups together in face of social challenges, says study ...

Long-tailed macaques given short videos were glued to scenes of fighting—especially when the combatants were monkeys they knew—mirroring the human draw to drama and familiar faces. Low-ranking ...

Some 60 primate species, including baboons, chimpanzees and vervet monkeys, express homosexuality, according to a new study ...

A new primate study links same-sex behaviour to survival, social bonding, and environmental stress, raising intriguing ...

New research shows gut bacteria can directly influence how the brain develops and functions. When scientists transferred ...