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

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

In a world where evolution seems to favour traits that enhance reproductive success, a curious phenomenon has emerged from ...

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

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Researchers uncover evidence that the gut microbiome and brain connection can influence brain gene expression and neural ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history. Fossil records from these periods ...

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.