Gemini is an explorer who enjoys gathering information and experimenting with new ideas. This Twins sign is always on the move. Gemini is an inquisitive sign that thrives in mental and social spaces. It is intelligent, adaptable, and easily bored. Gemini characteristics vary more than those of other astrological signs. Gemini’s, those born between May 21 and June 21, can be social, talkative, and whimsical, but they can also be indecisive or nosy.