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

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh environments, are hunted by predators, or live in more complex societies, ...

Same-sex behavior is common across the animal kingdom—more than 1,500 species are estimated to have been observed engaging in ...

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

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

The behaviour was more common in species that lived in harsh environments with limited access to food. Read more at ...

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

Gut Microbes may have helped fuel the evolution of large human brains, shaping brain metabolism and gene activity, new ...

New name reflects the Company’s strategic evolution focused on later-stage preclinical assets leveraging its most advanced, signature ...

Ai advanced primate intelligence studies by mastering languages and colours, leaving a legacy in cognitive research Ai, a ...

OSAKA – Ai, known as a genius chimpanzee for her pivotal role in research exploring language evolution, died Friday at the age of 49, the Center for the Evolutionary Origins of Human Behavior, Kyoto ...