6 Best Crystals to Use To Survive and Protect Yourself During Mercury Retrograde  What is Mercury Retrograde? Mercury Retrograde is an astronomical phenomenon that occurs three times a year, when Mercury appears to be moving backwards in its orbit around the Sun. Mercury Retrograde is a time of release and renewal, but it can also be a time of confusion and miscommunication. As Mercury moves through the skies, it makes its way through each sign of the zodiac every three months. These periods are known as Mercury Retrograde, or when Mercury appears to be moving backwards in the sky. Mercury Retrograde...