Exploring the Fascinating and Enigmatic Distant Worlds: An In-Depth, Thorough, and Comprehensive Look at NASA's Extensive and Groundbreaking Exoplanet Research Efforts and Discoveries that are Significantly Shaping Our Understanding of the Universe and Its Diverse Celestial Bodies, Enabling Us to Peep into the Mysteries of the Cosmos and Unravel the Secrets That Lie Beyond Our Solar System.