In recent years, astronomers have made incredible advancements in discovering exoplanets, which are planets located outside our solar system. The first confirmed exoplanet was discovered in 1992, orbiting a pulsar known as PSR B1257+12. Since then, astronomers have identified thousands of exoplanets using various techniques, such as the transit method and radial velocity method. The transit method involves measuring the slight dimming of a star's brightness as an exoplanet passes in front of it, while the radial velocity method detects the wobble of a star caused by the gravitational pull of an orbiting planet. These methods have enabled astronomers to confirm the existence of a diverse range of exoplanets, including hot Jupiters, super-Earths, and even Earth-sized planets within the habitable zone of their stars. The discovery of exoplanets has revolutionized our understanding of planetary systems and has raised questions about the potential for life beyond Earth. Studying exoplanets allows astronomers to explore the conditions necessary for habitability and to assess the likelihood of finding other Earth-like worlds in the vast expanse of space. The search for exoplanets continues to be a fascinating and rapidly evolving field in astronomy, offering new insights into the diversity of worlds that exist beyond our own.