The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked “monotocous” species, meaning it usually has one offspring per pregnancy, ...

OSTEEN, Fla. — In a trend on social media, people are showing off the pet monkeys they own, often to generate revenue for their animals. Owners are often forced to give up their monkeys because they ...

They drew with crayons, possibly fed on maggots and maybe even kissed us: Forty millenniums later, our ancient human cousins ...