The day is associated with misfortune, misery, and a movie franchise featuring a hockey mask-wearing serial killer. But what is it about Friday the 13th that makes some people avoid ladders, airplane ...

Add Yahoo as a preferred source to see more of our stories on Google. The day is associated with misfortune, misery, and a popular movie franchise featuring a hockey mask-wearing serial killer. But ...

As any superstitious person will tell you, 13 is hardly any old number. For centuries the sinister prime has been associated with bad luck, especially on Friday. But where did the negative association ...

Though the number 13 typically evokes bad juju in some minds, that date and/or number has made someone a lottery winner before. One time, the number 13 appeared twice in a Powerball drawing on ...