This state-of-the-art reference work contains over 15 sections dealing with all aspects of exoplanets and exobiology research. Each section features 10-20 contributions written by the top experts in their subject, including both senior researchers and young, smart researchers who represent the future of the discipline. The second edition has been fully updated with the many advancements made across the field over the last several years, including groundbreaking data and results from the recently launched James Webb Space Telescope. The topics covered include:Historical trends & considerationsStudies of the Solar SystemObjects at the planet-to-star transition Exoplanet detection and characterization Related instrumentation, technology and software toolsPlanet and planet-system statistics with recent and planned surveysPlanetary atmospheres, formation and evolution processesHabitability and exobiology implicationsOutlooks for future exploration and science development Unparalleled in breadth and scope, this handbook comprehensively tackles one of the most challenging and dynamic fields of modern astronomy and astrophysics.