Atheism

Are God and Ethics Inseparable or Incompatible? :

[ Teens/Mature Teens ] - An article discussing the moral argument for God and the counterargument for atheism.
Atheism :

[ Teens/Mature Teens ] - Provides proofs that atheism is invalid. Also has tips on how Christians and atheists should communicate.
Atheism and Agnosticism :

[ Teens/Mature Teens ] - Looks at the similarities and differences between atheism and agnosticism.
BBC: Atheism :

[ Teens/Mature Teens ] - An introduction on the history, rituals, and different types of atheism.
The Closet Atheist :

[ Mature Teens ] - Opinion pieces, statistics, reader letters and essays about atheism.
Dave's Things To Think About :

[ Mature Teens ] - Provides a collection of essays about contemporary theological issues from a sceptical perspective.
Ethical Atheist :

[ Teens/Mature Teens ] - Group resisting the influence of religion while promoting a scientific and nonreligious worldview.
Famous Dead Nontheists :

[ Teens/Mature Teens ] - A listing of famous atheists, each with a brief biography.
Morality Without God :

[ Teens/Mature Teens ] - An essay which discusses whether morality is evidence of God.
The Secular Web :

[ Teens/Mature Teens ] - Contains many articles about atheism. Plus a blog and discussion forum.
Wasteland of Wonders: Atheism :

[ Mature Teens ] - Articles about atheism, humanism, and skepticism.
Wikipedia: Atheism :

[ Teens/Mature Teens ] - Online encyclopedia details the history of atheism, the different types, and how it relates to the religions of the World.