Since 1963, AMERICAN ATHEISTS has been the premier organization laboring for the civil liberties of Atheists, and the total, absolute separation of government and religion.

The American Ethical Union, a religious organization, is a federation of Ethical Societies, which promotes the growth of the Ethical Culture movement by supporting existing Ethical Societies and fostering new ones.

For more than half a century, the American Humanist Association has stood as the singular voice of humanism in the United States. We strive to bring about a progressive society where being "good without god" is an accepted way to live life. We are accomplishing this through our defense of civil liberties and secular governance, by our outreach to the growing number of people without religious belief or preference, and through a continued refinement and advancement of the humanist worldview.

We come from all backgrounds and represent all fifty states. In our work, we seek to preserve and protect religious freedom for every single American and have been dedicated to this since 1947.

Atheist Alliance International (AAI) is an umbrella organization of groups and individuals in the United States and around the world committed to promoting and defending reason and the atheist worldview.

A Community of Nontheists. The World's Largest Social Networking Site Exclusively For Nontheists!

We are committed to making atheism visible in the community as a rational, responsible voice for secular morality.

Camp Quest is the first residential summer camp in the history of the United States for the children of Atheists, Freethinkers, Humanists, Brights, or whatever other terms might be applied to those who hold to a naturalistic, not supernatural world view.

The mission of the Council for Secular Humanism is to advocate and defend a nonreligious lifestance rooted in science, naturalistic philosophy, and humanist ethics and to serve and support adherents of that lifestance.

DISCOVER delivers entertaining, relevant, and thought-provoking science content that feeds the mind and fuels the imagination.

Enlighten The Vote grew out of the historic "Godless Americans March on Washington" (GAMOW) held on November 2, 2002 in Washington, DC. On that memorable day, for the first time in history, the diverse community of Atheists, Freethinkers, Secular Humanists and other non-religious Americans gathered in our nation's capitol to demonstrate to the world that we are free, proud and on the move.

EvolveFISH is an enterprise based in Colorado, and we are dedicated to countering the destructive aspects of religious zealotry. We create and gather enlightened symbols and materials and advertise these products online; with special focus on areas where zealots are trying to usurp the freedoms of the targets of their bigotry.

Foundation Beyond Belief is a humanist charity that promotes secular volunteering and responsible charitable giving. Guided by the principles of secular humanism, their mission is to: Unite the humanist community in volunteering and charitable efforts. Advocate for compassionate action throughout the world.

The Freedom From Religion Foundation, Inc., is an educational group working for the separation of state and church. Its purposes, as stated in its bylaws, are to promote the constitutional principle of separation of state and church, and to educate the public on matters relating to nontheism.

Hemant Mehta, Mike Clawson, Richard Wade, Ron Gold, & Jesse Galef, blog and blog and blog.

In May of 2009, the Institute for Humanist Studies Board of Directors made an agreement with the American Humanist Association Board of Directors to join forces.

A 501(c)(3) nonprofit educational organization dedicated to defending and promoting a naturalistic worldview on the Internet.

Louisiana Coalition for Science (LCFS) is a group of concerned Louisiana residents working to protect the teaching of science in Louisiana.

The Military Association of Atheists and Freethinkers an independent 501(c)3 project of Social and Environmental Entrepreneurs. MAAF is a community support network that connects military members from around the world with each other and with local organizations.

Science is interconnected; no important question stands alone. The Science Mission Directorate (SMD) is an organization where discoveries in one scientific discipline have a direct route to other areas of study. This flow is something extremely valuable and is rare in the scientific world.

Natural History is a magazine on science and nature aimed at the general public, formerly published by the American Museum of Natural History in New York.

Atheists have always been at the forefront of rational thinking and beacons of enlightenment, and now you can share your idealism by being part of the OUT Campaign.

People For the American Way is dedicated to making the promise of America real for every American: Equality. Freedom of speech. Freedom of religion.

PZ Myers is a biologist and associate professor at the University of Minnesota, Morris. "Pharyngula" is a term coined by William Ballard to describe a particular stage in the development of the vertebrate embryo.

Point of Inquiry is the premiere podcast of the Center for Inquiry, drawing on CFI's relationship with the leading minds of the day including Nobel Prize-winning scientists, public intellectuals, social critics and thinkers, and renowned entertainers.

Curious about who we are? Check out the Our Team page. Wondering what our purpose is? Click here to see our list of Irrational Precepts--ideas and things so ludicrous that they should be eradicated from the face of the earth...peacefully, of course.

The Reason Project is a 501(c)(3) nonprofit foundation devoted to spreading scientific knowledge and secular values in society. The foundation draws on the talents of prominent and creative thinkers in a wide range of disciplines to encourage critical thinking and erode the influence of dogmatism, superstition, and bigotry in our world.

Started by Dr. Darrel Ray, author of "The God Virus: How Religion Infects Our Lives and Culture." RR is an organization dedicated to helping people navigate the path out of religion. After publishing his book, Darrel found a huge need for some kind of support group to help people deal with the aftermath of leaving their religion.

Dawkins, a professorial fellow of New College in Oxford, is known for his promotion of "militant atheism." He has authored 10 books, including bestsellers "The God Delusion" and "The Selfish Gene."

Founded in 1880 on $10,000 of seed money from the American inventor Thomas Edison, Science has grown to become the world's leading outlet for scientific news, commentary, and cutting-edge research, with the largest paid circulation of any peer-reviewed general-science journal.

Scientific American, the oldest continuously published magazine in the U.S., has been bringing its readers unique insights about developments in science and technology for more than 150 years.

The mission of the Secular Coalition for America is to increase the visibility of and respect for nontheistic viewpoints in the United States, and to protect and strengthen the secular character of our government as the best guarantee of freedom for all.

The Secular Student Alliance (SSA) is a 501(c)3 educational nonprofit whose purpose is to educate high school and college students around the country about the value of scientific reason and the intellectual basis of secularism in its atheistic and humanistic manifestations. We are based in Columbus, Ohio.

The Skeptics Society is a scientific and educational organization of scholars, scientists, historians, magicians, professors and teachers, and anyone curious about controversial ideas, extraordinary claims, revolutionary ideas, and the promotion of science.

The Society for Humanistic Judaism mobilizes people to celebrate Jewish identity and culture consistent with a humanistic philosophy of life, independent of supernatural authority.

Talk.origins is a Usenet newsgroup devoted to the discussion and debate of biological and physical origins.

The Thinking Atheist is a website, radio podcast and online community which rejects faith as a suitable tool for living. Assume Nothing. Question Everything. And Start Thinking.

The United Coalition of Reason is a nonprofit national organization that helps local nontheistic groups work together to achieve higher visibility, gain more members, and have a greater impact in their local areas. We achieve this goal by assisting local groups in the "community of reason" to cooperate with each other.