Embark on a cosmic voyage across our galaxy to explore new worlds beyond our wildest dreams in this captivating lecture by Nestor Espinoza from the Space Telescope Science Institute. Delve into the fascinating world of exoplanets, discovering how these extra-solar planets challenge our understanding of planetary system formation and development. Learn about the methods used to detect and study these distant worlds, including the innovative "cat method" and transmission spectroscopy. Explore the composition and characteristics of various exoplanets, from the intriguing K2-18b to the harmonious TRAPPIST system. Gain insights into the search for Earth-like planets and ponder the question of whether our Solar System is truly unique. Recorded live at the Space Telescope Science Institute in Baltimore, this hour-long presentation offers a comprehensive look at the cutting-edge field of exoplanet research and its implications for our understanding of the universe.