The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked “monotocous” species, meaning it usually has one offspring per pregnancy, ...

Around 25 million years ago, an evolutionary split occurred between our ancestors, the precursors of humans and apes, and ...

A groundbreaking new study reveals that changes to the gut microbiome can change the way the brain works. Humans have the largest relative brain size of any primate, but little is known about how ...

The pelvis is often called the keystone of upright movement. It helps explain how human ancestors left life on all fours ...

The human brain is a fascinating and complex organ that supports numerous sophisticated behaviors and abilities that are ...

New research shows gut bacteria can directly influence how the brain develops and functions. When scientists transferred ...

A big difference between humans and other apes is the ability to stride easily on two feet. A new analysis of fossil bones shows that adaptations for bipedal walking go back 7 million years.

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 ...

Scientists researching primates, called "primatologists," have learned a lot over the years about our closest evolutionary ...

AMES, Iowa – A new study from an Iowa State University biologist shows that menopause in mid-life is a uniquely human phenomenon among primates. The study, published in the Proceedings of the National ...

Animal rights groups celebrate, but the Trump administration is light on specifics about phasing out federally funded medical testing on animals.