Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species ...

Humans sleep less than every other primate on record, despite having the biggest brains — biologists call it the human sleep ...

For decades, we’ve thought that childbirth is uniquely challenging for humans, but it turns out that many other primates find ...

When Marc Ayers attended the Sangamon County Fair in New Berlin last year, he was on a mission to stop one attraction from ...

But new evidence has started to challenge the notion that human childbirth is uniquely dangerous. A new paper published today ...

When Marc Ayers attended the Sangamon County Fair in New Berlin last year, he was on a mission to stop one attraction from returning to the state: the Banana Derby. Ayers, the Illinois state director ...

A new study challenges the long-held idea that early primates began in warm tropical forests. Fossil and climate evidence suggests some early primates may have lived in cold, dry North American ...

Learn how 3D models of primate birth canals found that squirrel monkeys, bushbabies, and other small species may face a ...

On June 29, Gracie the Giraffe returned to her South Texas ranch after a 17-day walkabout and attendant media sensation. ...

For nearly 30 years, a landmark study shaped how scientists understood the relationship between brain and body size in primates. Now, an Oxford evolutionary psychologist who doubted it from the start ...