Atheism and Agnosticism

Learn more about atheism and agnosticism with resources covering the philosophies, skepticism, and critical thinking of the free-thinking community.

Illustrated depictions of a dinosaur fossil and books.
  • mosaic of Greek god Bacchus
    Connecting Ancient Greek Mythology to Religion
  • woman's hands in prayer
    History of American Religion:1600 to 2017
  • astronomical clock and globe
    Is Astrology a Pseudoscience?
  • Skeletons Showing Evolution of Man
    Defining Analogous and Homologous Structures
  • Three Generations Of Cloned Mice
    Timeline of Cloning History
  • A man standing while thinking of conserving earth from rubbish and littering act.
    3 Types of Ethical Systems
  • Peter the Hermit Preaching the First Crusade
    A Timeline of the First Crusade, 1095 - 1100
  • The Siege of Jerusalem, Crusades
    Before of the Crusades: 350 - 1095
  • Hawaiian Tiki God
    What Is Religion?
  • DNA Modification
    How Evolution Has Been Observed
  • Saying a little prayer for finals week
    What Is Religious Humanism?
  • karl marx statue
    Religion as Opium of the People
  • Teen Praying in Class
    Did Madalyn Murray O'Hair Get Prayer Out of School?
  • Euler diagram representing a definition of knowledge.
    What Is Epistemology?
  • Socrates statue reclining
    History of Humanism With Ancient Greek Philosophers
  • Aristotle Teaches Alexander The Great
    Virtue Ethics: Morality and Character
  • Alphabet soup spelling why us
    Existentialist Absurdity
  • Ross Wilson's statue of C. S. Lewis in front of the wardrobe from his book The Lion, the Witch and the Wardrobe in East Belfast.
    C.S. Lewis and J.R.R. Tolkien Argued Over Christian Theology
  • South Africa, Mpumalanga, Close-up of lion
    C.S. Lewis and Christian Apologetics
  • Aachen Dom
    How To Get Excommunicated From the Catholic Church
  • Church in Brooklyn, stop sign and one way sign
    C.S. Lewis Vs. Atheism and Atheists
  • Declaration of Independence
    Declaration of Independence and the Christianity Myth
  • Plato
    The History of Idealism
  • Vintage ad posters
    The Difference Between Propaganda and Persuasion
  • A diverse group of people praying
    Too Many Gods, Too Many Religions?
  • Breaching Humpback Whale, Alaska
    Whale Pelvis: What Vestigial Organs Say About Evolution
  • Hands touching on a background of a universe
    Argument From Miracles: Do Miracles Prove God Exists?
  • Evolution
    Anatomical Homologies and Evolution
  • World map on list of share prices
    Einstein Quotes and Views on Society and Government
  • Yellow marker highlights 'moral' in Ethics document
    Einstein Quotes on Ethics and Morality
  • US Constitution with a quill pen and inkwell
    Separation of Church and State: Is It Actually in the Constitution?
  • Atheist Definition
    What It Means to Be an Infidel
  • Helping hands gathering
    Why Does Religion Exist?
  • A hand in robes reaching to someone on the ground
    The Jesus Trilemma of C.S. Lewis
  • Yellow marker highlights 'moral' in Ethics document
    C.S. Lewis and the Morality Argument
  • Explaining Religion
    Religious vs. Non-Religious Belief Systems
  • Kangaroo With Baby In Pouch On Field
    How Biogeography Supports the Truth of Evolution
  • woman with thought bubble on chalk board
    What Is Open Mindedness in Critical Thinking?
  • Planet Earth Against Black Background
    Is There Proof of Creationism?
  • Communication dictionary definition royalty free vector illustration
    What Is the Difference Between Denotation and Connotation?
  • Coworkers discussing a project at conference table
    Language, Meaning, and Communication
  • Brick wall in step formation on a hillside
    Jefferson's Letter to the Danbury Baptists
  • Having a meeting over a cup of coffee
    Critiquing Arguments
  • Technology vs. Religion
    The Relationship Between Technology and Religion
  • heaven door portal clouds
    Atheism and Anti-Theism: What's the Difference?
  • Statue of Socrates against partly cloudy sky.
    Deductive and Inductive Logic in Arguments
  • Ancient Greek women caring for a sacrificial bull
    Method of Sacrifice in Ancient Greece
  • Teacher writing equations on the black board.
    The Criteria for Science and Scientific Theories
  • "Aristotle" by Francesco Hayez (1791–1882)
    What is Metaphysics?
  • man at a chalk board
    According to Science, God Does Not Exist
  • Egyptian Gods
    God or god? to Capitalize or Not to Capitalize
  • A portrait of Albert Einstein
    Albert Einstein Quotes on Life After Death
  • Low Angle View Of Letter A On Metallic Wall Against Cloudy Sky
    Why 'Atheist' Shouldn't Be Capitalized
  • Agnosticism for Beginners - Basic Facts About Agnosticism and Agnostics
  • Albert Einstein
    Albert Einstein Quotes Denying Belief in a Personal God
  • Writing letter
    Fallacy of Amphiboly
  • Light and Creation fist holding rays of light
    How Is That Possible for God to Be Transcendent and Immanent?
  • Clenched fists of couple next to gold wedding rings
    Divorce Rates for Atheists Are Among the Lowest in America
  • A manuscript of Lucretius' De Rerum Natura
    What Is the Idea of Materialism?
  • Man handing flowers to young girl
    How Should Atheists Respond When Others Ask for Prayers?
  • religious billboard
    Agnostic Atheist Defined
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