Overview: How drastically did the Younger Dryas alter the surface of the Earth and the course of human evolution? The mystery behind the absolute destruction of the geological period known as the Younger Dryas is one of the most debated by scientists and alternative researchers. Emerging evidence about this time of Earth’s history reveals not a single but a possible series of cataclysmic impacts responsible for the loss of ancient civilizations like Mu and Atlantis. From escaped fragments of a former planet to comets and coronal mass ejections, what light can experts shed upon world-changing events of the anomalous period of the Younger Dryas?