Explore contemporary astronomy's greatest puzzle with this presentation on the search for dark matter. Though it makes up the majority of the universe, the nature of this strange material remains unknown. THE DARK MATTER MYSTERY provides an up-to-date examination of the theories and experiments probing the nature of dark matter and its importance for our understanding of the universe. Utilizing spectacular visualizations from particle accelerators to the birth of the universe, THE DARK MATTER MYSTERY is an ideal presentation for older students and adult audiences. Approximate running time 30 minutes. Themes: contemporary astrophysics and the scientific method.