Related Topics: AtheismReligionFreethoughtDeismGodSecularismAmericaUnited StatesPew Research CenterThe New York Times
It's more than just not believing in God.
A study out of the University of Tennessee found that the nonreligious don't differ in personality traits from the religious and can be categorized in six groups reflecting their diversity.
Atheists groups have recently engaged in mainstream social activities that have traditionally been associated with religious groups. These groups have grown in size and garnered attention.