In recent decades, the field of physics has witnessed transformative advances across a wide spectrum of domains—from the extreme conditions of high-energy particle collisions to the vast evolution of the cosmos, and down to the nuanced properties of soft matter and quantum-scale phenomena. The present volume, Advances in Contemporary Physics: High-Energy, Cosmology, and Soft Matter, has been conceived as a multidisciplinary compilation that brings together diverse yet interconnected areas of cutting-edge research in physics.