A Seminary Co-op Notable BookA BBC Sky at Night Best Book"An impressively comprehensive bird's-eye view of a research topic that is both many decades established and yet still at the very cutting edge of astronomy and physics."-Katie Mack, Wall Street Journal"Schilling has craftily combined his lucid and accessible descriptions of science with the personal story of those unlocking the finer details of the missing mass mystery. The result is enthralling...A captivating scientific thriller."-BBC Sky at Night"Fascinating...A thorough and sometimes troubling account of the hunt for dark matter...You will come away with a very good understanding of how the universe works. Well, our universe, anyway."-Michael Brooks, New ScientistWhen you train a telescope on outer space, you can see luminous galaxies, nebulae, stars, and planets. But if you add all that together, it constitutes only 15 percent of the matter in the universe. Despite decades of research, the nature of the remaining 85 percent