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 ...

That’s why in the future, she thinks, neural prostheses meant for patients with a stroke or paralysis will decode facial ...

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

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

A 2-year-old female macaque remains near the dead body of a 28-year-old male. Since she was 6 months old, she had a close relationship with him: he held, carried, and groomed her frequently. Osaka, ...

Primates form same-sex sexual behavior alliances to gain rank and mating opportunities Male primates use same-sex bonds as ...