Articles will contain recent, current information. They are shorter than book chapters and typically focus on one or very few objects of study. Articles are most helpful to provide examples of your object of study (like a case study) or for an analysis of your object of study. The timeliness of the article depends on the discipline:
Below is a small sampling of databases that may prove useful in finding articles for your research project. If you are incorporating a discipline that is not covered by the following databases, visit the subject guide for that specific discipline (such as economics or psychology) and explore which databases are recommended.
Academic Search Ultimate offers access to an unprecedented collection of resources including journals, magazines, reports, books, and videos. Many are peer-reviewed and full-text. Subjects range from astronomy to zoology.