The Kepler Mission was a NASA space observatory launched in 2009 to discover Earth-like planets orbiting other stars. It used a technique called the transit method, which detects dips in a star's brightness caused by a planet passing in front of it. Over its nine years of operation, Kepler identified thousands of potential exoplanets, significantly advancing our understanding of planetary systems. The mission focused on a specific region of the Milky Way galaxy, monitoring over 150,000 stars. Its findings have provided valuable data for astronomers, leading to the discovery of diverse planetary types and contributing to the search for potentially habitable worlds beyond our solar system.