Recent research suggests that Earth, along with the Milky Way galaxy, may be located within a vast cosmic void, an enormous region of space with significantly fewer galaxies. This hypothesis has gained attention as it could provide new insights into the universe's expansion and potentially address the long-standing Hubble Tension problem, a key issue in cosmology regarding discrepancies in measurements of the universe's expansion rate. Cosmologist Indranil Banik has described this idea as a promising approach to tackling this challenge. The theory posits that this giant void might influence observations of cosmic phenomena and reshape our understanding of the universe's structure and dynamics. Additionally, some studies have indicated that the Milky Way might be surrounded by about 100 hidden galaxies, adding complexity to the cosmic environment around our galaxy. This emerging perspective invites further investigation into the nature of our cosmic neighborhood and its implications for astrophysics.