The discovery of new planets in outer space has become one of the most exciting themes in the world of astronomy. Over the years, advanced technology and innovative observation methods have enabled scientists to detect and study distant space objects. The existence of exoplanets, or planets outside our solar system, is one of the main focuses of modern astronomical research. The technology used to discover new planets is very diverse. One of the most well-known methods is the transit method, in which astronomers detect a dip in light from a star when a planet passes in front of the star. Observatories such as Kepler and TESS have discovered thousands of exoplanets using this method. In the last decade, the discovery of new planets has shown that there are many potential life-supporting applications. The James Webb Space Telescope (JWST), which was launched at the end of 2021, is capable of analyzing exoplanet atmospheres by detecting traces of the light spectrum passing through these atmospheres. This allows scientists to search for key elements such as water, methane and carbon dioxide. Among the most exciting discoveries are planets located in the habitable zone, the area around a star where temperatures allow liquid water to exist. An example is Proxima Centauri b, a nearby planet that has characteristics similar to Earth. This discovery gives hope for the possibility of life outside Earth. In addition, the discovery of giant planets, such as WASP-121b which has extreme temperatures and a very thin atmosphere, provides new insights into the process of planet formation and interactions between stars and planets. Other discoveries include planets orbiting very distant stars, challenging our understanding of how planets form and develop in extreme environments. Discussions about new planets also include themes about other solar systems that may have Earth-like planets and the potential for life. Each new discovery triggers further research and raises curiosity about whether we are alone in the universe. Research on exoplanets not only attracts the attention of scientists but also the general public. The public is involved through sky observations, science events, and documentaries depicting the search for life beyond Earth. This creates greater awareness of the importance of space exploration and its impact on our understanding of the origins of life. The existence of new planets in outer space also has an impact on the fields of physics and cosmology. This discovery challenges existing theories and raises new questions about the diversity of life forms and how planets can survive in such hostile conditions. Additionally, this research has the potential to provide answers to deep questions about how and why planets form. As scientific advances and exoplanet discoveries increase, the public can expect much more information about the universe. The discovery of new planets not only enriches our knowledge, but also inspires young people to pursue careers in science and technology, and shows the power of collaborative research at a global level.