Exoplanet exploration is the scientific study of planets outside our solar system, known as exoplanets. Astronomers use various techniques, such as the transit method and radial velocity method, to detect and study these distant worlds. The goal of exoplanet exploration is to understand the diversity of planetary systems, learn more about the conditions that can support life, and ultimately answer the question of whether we are alone in the universe. NASA's Kepler and TESS missions, as well as ground-based observatories, have discovered thousands of exoplanets to date, revolutionizing our understanding of the cosmos.