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

Humans aren’t the only creatures engaging in same-sex sexual activities. To date, scientists have documented around 1,500 ...

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

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

A new primate study links same-sex behaviour to survival, social bonding, and environmental stress, raising intriguing ...

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

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

A new investigation led by researchers at Baylor College of Medicine’s Human Genome Sequencing Center, the Institute of Evolutionary Biology and Pompeu Fabra University in Barcelona, Spain, and ...

The human brain is a greedy organ. It gulps energy, demands constant upkeep, and somehow grew far larger (relative to body ...

1. Introduction / Tracy L. Kivell, Pierre Lemelin, Brian G. Richmond, and Daniel Schmitt -- 2. On primitiveness, prehensility, and opposability of the primate hand : the contributions of Frederic Wood ...

A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...