Two different groups of macaques have been spotted in Japan mounting sika deer. The behavior could be part of a shared “culture” between the animals.

In November, news outlets worldwide covered the story of 43 monkeys escaping from a South Carolina nonhuman primate facility.

Woolly monkeys were once considered four species: the gray, Columbian, silvery, and Peruvian yellow-tailed woolly monkeys. More recent genetic studies suggest there are only two species—the ...

"The driver had a baby monkey attached - or clenched - on his person. That's something you don't see every day." ...

The monkey, found wearing a onesie and diaper and suffering from malnourishment and an upper respiratory infection, was ...

Researchers used the environmental circumstances and fecal samples collected from the six years prior to the severe El Ni o drought in Costa Rica to study the relationship between the endocrinologic ...

Deputies responding to reports of a subject monkeying around found an actual monkey near a Missouri highway on Friday ...

White-faced capuchin monkeys in Costa Rica displayed a surprising ability to withstand extreme drought conditions.

Once found in the jungles of Africa, researchers in South America have now discovered links tying these extinct primates to the continent—painting an incredible story of survival against the odds.

The U.S. Border Patrol made an unusual discovery Tuesday when agents found several spider monkeys during a checkpoint ...

The zoo estimates that the monkey is 5 or 6 months old. Staff are still trying to figure out the right name for her, which will pay homage to her species and homeland. Spider monkeys are an ...