Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This contrast has frequently been used to explain different sides of human nature.

This week in social psychology class we were talking about aggression, commonly defined as physical or verbal behavior intended to physically or psychologically hurt someone. We noted historical ...

Teens who frequently lash out at others may face lasting physical health consequences later in life, according to research published by the American Psychological Association. The study found that ...