The Debunker's Domain

Robert Sheaffer - Skeptical to the Max

Mr. Skeptic at Stonehenge

These pages are frequently updated with new material
Check Back Often! 
Last update April 23,  2019

A Symbol of Freedom - hated by totalitarians and their admirers around the world

Robert's latest book "Bad UFOs"


My book Bad UFOs is now available! Click this link for more information  
New files & updates to my Historical UFO page.  Philip J. Klass' unpublished "White Paper" of 1975 on Pascagoula and Dr. J. Allen Hynek. Clearly, Hynek had reservations about the 'UFO abduction' story, but chose not to go public with them (added April 23, 2019. 1 MB).

Philip J. Klass' never published 1968 report on the reported 'UFO landing' in South Hill, Virginia (added Dec. 29, 2018). Dr. J. Allen Hynek said that he "can't think of it being a hoax." Klass could.

My very first published article: from the October, 1974 issue of the NICAP UFO Investigator: "Erich von Daniken's Chariots of the Gods: Science or Charlatanism?" (Added Jan. 7, 2019) This article was shown in Ancient Aliens Season 13 Episode 14  on the "History" Channel (2019).
Now on the Blog, . "To The Stars" shares its misinformation, and continues to make claims that it cannot substantiate.
New: - Version 12 of my free Windows real-time astronomy software RTGUI, with an enhanced user interface to make it easier to run on a Windows Tablet. It runs on any Windows PC or Tablet  - very convenient to taked it out in  the field! It recommends the "best" sky objects to observe, based on your location and time. It now can download positions for any asteroid or comet. Find objects rapidly, have your telescope easily "Goto" them, get an 'instant Skychart'.

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Hello, this is Robert Sheaffer. I'm an author, a free-lance writer, and skeptical investigator of all manner of bogus claims. In real life, I have been working as a data communications engineer in the Silicon Valley, although I'm now living near San Diego. I have been a fellow of the Committee for Skeptical Inquiry (CSI - formerly CSICOP ) - since 1977. I have been a regular contributor and columnist for their magazine, The Skeptical Inquirer, since its second issue of publication (Spring/Summer, 1977). I have also been a member of Mensa for over twenty years.

I'm an equal-opportunity debunker, refuting whatever nonsense, in my judgment, stands in the greatest need of refuting, no matter from what source it may come, no matter how privileged, esteemed, or sacrosanct. Sacred cows, after all, make the best hamburger. As H. L. Mencken wrote in Prejudices (Fourth Series),

The liberation of the human mind has never been furthered by such learned dunderheads [priests and pedants]; it has been furthered by gay fellows who heaved dead cats into sanctuaries and then went roistering down the highways of the world, proving to all men that doubt, after all, was safe -- that the god in the sanctuary was finite in his power, and hence a fraud. One horse-laugh is worth ten thousand syllogisms. It is not only more effective; it is also vastly more intelligent."
Please join me as we heave a few dead cats into the sanctuaries of the world, and demonstrate that at least some Emperors (and Empresses) have no clothes.



Skeptical Resources

My Books, which can be ordered directly from AMAZON.COM using links from this site, plus other published writings.

Skeptical Information on UFOs - One of my areas of specialization.

Exposing  Feminist Ms-Information.

Refuting Creationism, Revisionism, and other Right-Wing Falsehoods, Distortions, and Superstitions.

Conspiracies! - find out how they have secretly been plotting against you! (Of course, "they" can be any group you don't like).

Miscellaneous Skeptical Resources

Astronomy and Visual Observations of Earth Satellites.



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Entire contents Copyright 1996-2019 by Robert Sheaffer


Visit Robert's Home Page.

Robert's Page of Singing and Opera.

Robert has appeared on numerous TV and radio shows (most recently on "UFO Hot Spots" on the History Channel), and is available to lecture on the above subjects to your college or other organization.

If you have any comments or suggestions, please send me email

Visitors since Feb. 10, 2005:

Remember: a thing cannot be "debunked" unless it is filled with bunk to begin with!