When spider monkeys want to tell others about the best fruit trees in the forest or ones they've missed, they do so by ...

Study finds spider monkeys share ‘insider knowledge’ about this key aspect of life - Spider monkeys share their knowledge of ...

The scientists studied the behaviour of a group of Geoffroy spider monkeys in Mexico's Yucatan Peninsula, as they split into ...

Japanese macaques are famous for soaking in hot springs during winter, but new research suggests this behavior may serve ...

The study was based on seven years of field observations in Mexico’s Yucatan Peninsula.

If you lose your sight, you make up for it with other senses. If one arm is amputated, you learn to do twice as many things ...

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.

Cara Tabachnick is a news editor at CBSNews.com. Cara began her career on the crime beat at Newsday. She has written for Marie Claire, The Washington Post and The Wall Street Journal. She reports on ...

Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...

The team thinks this means that the cingulate cortex manages the social purpose and context of the facial gesture, which is ...