Explore the fascinating intersection of astrophysics and particle physics in this illuminating 56-minute lecture by G. Raffelt. Delve into the concept of using supernovae as natural laboratories for studying fundamental particles and their interactions. Discover how these cosmic explosions provide unique opportunities to test theories and explore phenomena that are difficult or impossible to recreate on Earth. Learn about the latest research and findings in this cutting-edge field, and gain insights into how scientists are using supernovae to push the boundaries of our understanding of the universe and its fundamental building blocks.