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Carl Sagan

I would like to talk a bit about a personal hero of mine. For most of my life, I have not found another with a mind that worked even remotely...

In honor of Carl Sagan’s birthday, the Center For Inquiry has named November 9th Carl Sagan Day.Carl Sagan was a Professor of Astronomy and...

April 22, 2011 marks Earth Day, originally celebrated in 1970 as a way to promote environmental awareness. Now, over 4 decades after the holiday...

Planetary scientist Carlyn Porco, best known for her work on the imaging for the Cassini probe mission to Saturn, told a convention of atheists in...

Carl Sagan's Contact made the rather disquieting point that the first television signal powerful enough to escape into space, and thus the first...

Ed West, of the Telegraph's Culture Wars blog, concludes his latest post on his opposition to the public funding of abortions with an extremely...

Part II of Carl Sagan's essential "Baloney Detection Kit" that has been a must-have in any Skeptic's toolbox. Appearing in The Demon...

Carl Sagan gives you the tools to detect BS. In Carl Sagan's book, The Demon Haunted World, he lays out the essentials of the scientific method to...

One of the central logical fallacies behind almost any pseudoscience is the assertion that "absence of evidence is not evidence of absence....