Important new planetary patterns in the zodiac for April 2017. Uranus changes signs, entering Aries. The planet of Freedom will be in the sign of Independence for 7 years. Mercury begins a retrograde period on April 9, also in Aries. Uranus and Retrograde Mercury will be conjunct in late April, indicating Alarming News Reports. Saturn also goes retrograde this month, making a total of 4 retrograde planets for April. Saturn is in exact square aspect with Venus for most of April, causing problems for Venus significations.