A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...

Researchers from 24 countries have analyzed the genomes of 809 individuals from 233 primate species, generating the most complete catalog of genomic information about our closest relatives to date.

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

The observation of homosexual behaviors in animals has long raised questions about their origins and functions. A recent ...

As animals go about their lives ― eating, fighting, having babies ― they don’t always follow the script laid out for them by ...

Co-led by Guojie Zhang from Centre for Evolutionary & Organismal Biology at Zhejiang University, Dong-Dong Wu at Kunming Institute of Zoology, Xiao-Guang Qi at Northwest University, Li Yu at Yunnan ...

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it extremely common.

A sense of fairness has long been considered purely human -- but animals also react with frustration when they are treated unequally by a person. In a study with long-tailed macaques (Macaca ...

The story of primates is a tale of incredible variety and ancient roots, told through the lens of science, DNA, and time itself. These creatures, ranging from massive gorillas to tiny mouse lemurs, ...

BUFFALO, N.Y. ­­ ­ ­­— Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease.