Atheism vs Christianity - join
Welcome to Atheism vs Christianity. A site for continuous, lively and engaging debate between atheists and theists. All religions are invited to take on the challenges offered by atheists to your beliefs.
High activity, 5706 members

Epistemology - join
You are invited to join our group to discuss epistemology and give your view on questions such as: What is science, what is knowledge and what is logic? Are there absolute and universal rules? Is quantum theory superior? Is there just one universe? How does research influence its outcome?
Medium activity, 1854 members

alt.philosophy - join
High activity, 2006 subscribers, Usenet