Keeping pets seems to be fairly recent behaviour in the timeline of human evolution. Columnist Michael Marshall turns to the ...

An international study led by the University of Oxford documented 427 friendly cross-species interactions involving 88 primate species and 127 partner species, including dogs, pigs, birds, squirrels, ...

Interactions between primates and animals outside their families have been documented for a long time, from predator-prey ...

Brains rot within days. The bony case that held them can last 33 million years, which is why primate brain evolution has been ...

Scientists have long tried to understand the human brain by comparing it to other primates. Researchers are still trying to understand what makes our brain different from our closest relatives. Our ...

A new study led by a Duke University scientist overturns a long-held idea about how primates, including humans, came to have ...

A newly identified primate species from Wyoming is challenging a long-standing model of early primate evolution. The species, ...

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. However, the evolution of ...

Researchers have widely accepted that what sets humans apart from nonhuman primates are prefrontal cortex–driven behaviors such as decision-making, reasoning, planning, and attention. In a new ...

On dry nights, the San hunter-gatherers of Namibia often sleep under the stars. They have no electric lights or new Netflix releases keeping them awake. Yet when they rise in the morning, they haven’t ...