May 8 Astrology Zodiac Sign Birth Chart, Love, Traits, and ... Astrological chart Those born on May 8 are the people of the zodiac who are on the cusp of Aries-Taurus. We refer to this as the pinnacle of power. Two planets, Mars and Venus, rule this peak. These two celestial bodies are complementary. Mars plays the most masculine yang role. On the other hand, Venus is the most demure female yin.