* Astronomy

Believers In Mysterious Planet Nibiru Await Earth's End

Renowned astrophysicist Carl Sagan once described a "baloney detection kit" - a set of tools that skeptical thinkers use to investigate any new concept. A few of the key tools include a healthy distrust of information that isn't independently verified, critically assessing an idea rather than becoming irrationally attached to it simply because it's intriguing, and a preference for simple explanations over wildly speculative ones.
The waxing obsession with Nibiru, which conspiracy theorists say is a planet swinging in from the outskirts of our solar system that is going to crash into Earth and wipe out humanity in 2012 - or, in some opinions, 2011 - shows that an astonishing number of people "are watching YouTube videos and visiting slick websites with nothing in their skeptical toolkit," in the words of David Morrison, a planetary astronomer at NASA Ames Research Centre and senior scientist at the NASA Astrobiology Institute.
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