| A Skeptical Manifesto | | Article by Michael Shermer defines and discusses skepticism. Includes a section that asserts a skeptic can also be open to scientific reason. Written in 1992. |
| Bad Science | | About well understood phenomena which are persistently presented incorrectly by teachers and writers. |
| BookTalk | | Dedicated to the advancement of critical thinking, reason, intelligence, freedom of inquiry, philosophy and the scientific method. Forums include chats with the authors. |
| Carl Sagan's Baloney Detection Kit | | Tools for testing arguments and detecting fallacious or fraudulent arguments, based on Sagan's book "The Demon Haunted World: Science as a candle in the dark." |
| Crank Dot Net | | Skeptic provides categorized directory, both alphabetical and hierarchical, to a variety of kooks, cranks, loons, and crackpots on the net. |
| Criticism of Scientific Skepticism | | Criticizes self-identified "skeptics," saying that their "skepticism" translates into scorn and condescension toward people and data that contradict current scientific beliefs. Gives examples of the excesses of skeptics. |
| Fortean Times | | The Journal of Strange Phenomenae. Online version of the print magazine. |
| Free Inquiry | | Argues for free inquiry and thought; the philosophies of naturalism, empiricism, rationalism, and skepticism. |
| In Pursuit of Reality | | A skeptical look at auras, Kirlian photography, reincarnation, spiritualism, astral projection, and astrology. |
| Massimo's Skeptic and Humanist Web | | Addresses the topic of skepticism and secular humanism. Page includes lectures. handouts, and online column. Also, has links to book reviews and essays. |
| Nova: Kidnapped by UFOs? | | Companion site for TV program in which believers and skeptics, including Carl Sagan, explore case histories of alien abductions. |
| Number Watch | | Monitors the media in search of misleading numbers in news, politics and science. |
| Practical Skepticism | | A how-to guide for examining claims and debunking myths, math abuse, and misleading arguments. | |
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