Explore the mysteries of dark matter and black holes in this captivating public lecture by Yale University professor Priyamvada Natarajan. Delve into the current understanding of the universe's composition, tracing the history of dark matter discovery and the evolution of our cosmic view. Examine the evidence for dark matter through galactic motion and gravitational lensing, and learn about cutting-edge techniques for mapping its distribution. Investigate the nature of black holes, from their theoretical foundations to observational evidence, including the groundbreaking Event Horizon Telescope project. Discover the different types of black holes, their feeding habits, and the latest research on black hole mergers. Gain insights into the fundamental questions driving modern astrophysics and cosmology in this comprehensive exploration of the invisible universe.