Groundbreaking research reveals that human microbes can trigger genetic brain activity in other species, suggesting our ...

The human brain is a greedy organ. It gulps energy, demands constant upkeep, and somehow grew far larger (relative to body size) than the brains of any other primate. Scientists have always wondered ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that ...

The microorganisms in our gastrointestinal tract-the gut microbiome, can exert a profound influence on the human body, and ...

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

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.

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

What events led to differences between humans and other primates? What changes throughout evolution underlie such a dramatic shift in how we socialize and process information? Although somewhat ...

Behaviour among non-human species could help keep groups together in face of social challenges, says study ...

Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in Africa’s fossil record of human origins.