How has our understanding of the universe's origin and evolution progressed over the centuries? This book examines the evolution of cosmology from ancient conceptualizations of the cosmos to contemporary theories about the universe's structure and origins, including the Big Bang theory and the expansion of the universe. It covers significant contributions from pivotal figures such as Edwin Hubble, Albert Einstein, and Stephen Hawking. The narrative explores the impact of observational cosmology, theoretical physics, and quantum mechanics on our understanding of cosmic background radiation, dark matter, and dark energy. By highlighting ongoing research and emerging theories, the book provides a deep dive into how cosmology seeks to unravel the universe's most profound mysteries.