Did you know there are three "unlucky" Friday the 13ths in 2012? Even freakier, they are each 13 weeks apart. Find out more strange occurrences and freaky facts associated with this day at LiveScience.com.
Pet health expert Rodney Habib reported on a rise in cancers in dogs and cats. L.A. Marzulli shared new details about the Roswell UFO crash.