The whites of your eyes are not an accident. They are, scientists now believe, one of the most sophisticated social communication tools in the animal kingdom.

A new species of ancient primate challenges what we think we know about where human ancestors diverged from monkeys.

A car backfires, and your shoulders jump. A shadow moves, and your eyes fly open before your brain catches up. That dramatic flash of white sclera around widened eyes feels automatic because it is.

Examples for positive, neutral and negative expressions. Copyright held by the authors. Humans perceive emotional expressions displayed by non-human primates and ...

In the movie Hoppers, scientists “hop” human consciousness into animal-like robots to talk to other species. We asked the experts their thoughts on how conceivable the plot is.

Humans may have been shaped in part by repeated exposure to high-temperature burn injuries. Research suggests man’s long ...

Male aggression and sexual coercion of females in primates / Martin N. Muller, Sonya M. Kahlenberg, and Richard W. Wrangham -- Evolution of sexual coercion with respect to sexual selection and sexual ...

A new study questions whether human violence is natural, finding that mild aggression and lethal violence follow different ...

There's no need to reinvent the genetic wheel. That's one lesson of a new study that looks to the saliva of humans, gorillas, orangutans, macaques and African green monkeys for insights into evolution ...