Oregon lab in search of weight-loss solutions feed monkeys high-calorie diets. April 13, 2011— -- Mario, Hoopa Troopa, Freckles, Casper, Good Lookin', and Cuddlebug and are just some of their ...

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

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

The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

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 ...

Sept. 18 -- It turns out monkeys, like people, are no fools when it comes to equal pay for equal work. A new study found when brown capuchin monkeys noticed their partners were getting a better reward ...

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 ...

Research into how decisions are made often starts with people. Occasionally, it drifts elsewhere. A study from Yale ...

The world's best yodellers aren't found high in the pristine mountaintops of the Alps – instead, scientists say, they can be found in trees, jungles and rainforests across the globe. It's because the ...

Humans have practiced some form of yodeling since at least the 13th century, when Marco Polo encountered Tibetan monks on his travels who used the vocal technique for long-distance communication. It’s ...