The difference is a division between Traditional Astrology and Modern Astrology. In Traditional, Saturn rules the sign of Aquarius. In Modern, it is Uranus. read more
In Traditional, Saturn rules the sign of Aquarius. In Modern, it is Uranus. I don't know why the Moderns put Uranus as the ruler of Aquarius, but the reason Saturn rules Aquarius and Capricorn is because those are the signs furthest away from the signs of the luminaries (Sun and Moon), as befitting his cold and slow nature. read more
The Piscean Age emphasised Faith. The two fishes of Pisces indicate Dualism and during this time, the conflict between Religion & Science intensified as Science rose against blind Faith.The belief in an external God was rejected by Science. Aquarius is ruled by two planets in Astrology - Uranus & Saturn. read more