Why do we find natural scenes like green fields, trees, and rivers beautiful? Why do people have an urge to gain wealth and power? Why do human beings fight wars? Why are human beings creative?

A new systematic review published in Evolutionary Psychological Science suggests that the life stage of a mass murderer plays a significant role in shaping their motivations, stressors, and target ...

Consider just how terribly difficult life can be: Betrayal by a friend. Loss of a loved one. Loss of a significant relationship. A diagnosis of a debilitating chronic illness. Financial or career ...