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 ...

Is aggression part of our primate nature, wired into our systems because it helps us survive, or do we learn it from such seemingly innocent occupations as watching cartoons and wrestling matches on ...

Like humans, mice will compete over territory and mates, and show increased confidence in their fighting skills the more they win. At first, a brain chemical called dopamine is essential for young ...

This past week, two Jewish citizens were murdered in Washington, D.C., a chilling act reportedly fueled by extremist beliefs. Such tragedies serve as a sobering reminder of how deeply held ideologies, ...