Ruling planets In astrology, the ruling planets influence the zodiac, and each sign of the zodiac has a corresponding ruling planet. The ruling planets for each sign of the zodiac are as follows. Aries is ruled by Mars. Taurus and Libra are co-ruled by Venus. Gemini and Virgo are co-ruled by Mercury. Cancer is ruled by the moon. Leo is ruled by the sun. Scorpio is ruled by Pluto in modern astrology and by Mars in traditional astrology. Sagittarius is ruled by Jupiter. Capricorn is ruled by Saturn. Aquarius is ruled by Uranus in modern astrology and by Saturn in traditional astrology. Pisces is ruled by Neptune in modern astrology and by Jupiter in traditional astrology.
