Horoscopes are perhaps the original guilty pleasure. For every culture throughout history that believed our fates hinge on our zodiac signs, there was a skeptic calling B.S. The Arab theologian Ibn al-Qayyim was questioning the validity of astrological methods way back in the 13th century. Still, horoscopes can’t seem to die, tucked into the back pages of newspapers and dredged up by That One Aunt after the dessert cocktails at Thanksgiving.