Databases are collections of thousands of articles (and often book chapters, book reviews, conference proceedings, dissertations, and other items) organized by subject. The Libraries have hundreds of databases covering every academic discipline. Some are multi-disciplinary, covering a broad range of subjects and including popular and scholarly sources, and others are subject-specific, and include scholarly and specialized articles. A complete list is available at Find Articles.
The following multi-disciplinary databases are good places to start your research: