The zoo noted that 'a few high-ranking macaques have demonstrated aggression more frequently' and were removed from the habitat on March 8 ...

A new study shows macaque species with more tolerant social systems have larger brain regions linked to emotions and social signals.

Viral baby monkey’s new behavior sparks questions about imitation.

Viral baby monkey Punch has reportedly found a bodyguard at his zoo after previous clips of him being dragged sparked concern online.

Male capuchin monkeys on a Panamanian island were documented carrying around infant howler monkeys for no clearly discernible reason. By Elizabeth Landau Capuchin monkeys don’t generally hang out with ...

From a quick swipe of a banana to elaborate “ransoms” of smartphones, monkey shenanigans have earned these adorable animals a worldwide reputation as mischievous little thieves. Perhaps you’ve seen ...

Introduction / Christina J. Campbell -- Morphology and evolution of the spider monkey, genus Ateles / Alfred L. Rosenberger ... [et al.] -- The taxonomic status of spider monkeys in the twenty-first ...