In the hit show Dexter, the protagonist chillingly refers to his darker urges as his "dark passenger." Similarly, in astrology, every zodiac sign carries a duality—a balance of light and shadow.

The darker sides of some zodiac signs reveal Scorpios' manipulative nature when threatened, Capricorns' ruthlessness in pursuit of success, Aquarians' emotional detachment, and Pisces ...

Here are the zodiac signs most likely to be stalkers ... turns their natural competitiveness into something dark and predatory. Like the bull for which it’s named, Taurus’ temper is ...