Data Science is an interdisciplinary field that uses scientific methods, algorithms, and systems to extract knowledge and insights from structured and unstructured data. It combines techniques from statistics, computer science, and domain expertise to analyze and interpret complex data sets, enabling organizations to make informed decisions. The field encompasses various sub-disciplines, including Machine Learning and Data Mining, which focus on developing predictive models and discovering patterns in data. Data Scientists leverage tools like Python and R to manipulate data and create visualizations, ultimately driving innovation and efficiency across industries.