Gemini (May 21 – June 20) is the third sign of the zodiac. They are a Mutable Air sign ruled by Mercury. Symbolized by “the Twins”, these people are witty, independent, energetic, and sociable. Always looking to learn more and meet new people, communication and diversity are key to Gemini’s happiness. At the same time, balance and moderation are necessary for these people if they are to avoid coming off as superficial in their knowledge. In any case, Geminis are charming personalities that are sure to make the most of any group setting.