The cosmic frontier has long captivated human imagination as it holds the mysteries of the universe in its vast expanses. From the earliest observations of the night sky, humanity has been drawn to the unknown depths beyond our planet, seeking to unravel the secrets of dark matter and the intricate evolution of galaxies. In this chapter, we explore the beginnings of our cosmic journey and the fundamental forces that shape the universe, setting the stage for a deeper understanding of the interplay between dark matter and galactic evolution. The universe, in its infancy, was a turbulent and dynamic environment where matter and energy coalesced into the structures we observe today. In the early moments following the Big Bang, subtle fluctuations in density laid the groundwork for the formation of dark matter haloes, which in turn influenced the emergence of galaxies. These initial irregularities acted as seeds that grew over time through gravitational attraction, gradually giving rise to the complex web of cosmic structures that now stretches across the observable universe. As we peer into the cosmic frontier, the concept of dark matter becomes central to our understanding of the universes architecture. Dark matter, an invisible substance that does not interact with light in the conventional manner, exerts gravitational forces that shape the evolution of galaxies. Although its exact composition remains elusive, its effects are evident in the rotational speeds of galaxies and the clustering of matter on cosmic scales. The study of these phenomena provides critical clues about the underlying nature of dark matter and the processes that govern the birth and evolution of galactic systems.
