These databases provide access to the widest range of articles from journals, magazines, and other resources. Start here for most research projects.
If your topic is currently in the news, you can use these resources to get an overview of the topic, including pro/con, important statistics, resources, etc.
If you are looking for examples of immediate, first-hand accounts of a topic from people who experienced a certain time or event, here are some databases that can lead you to all kinds of primary source documents. While these databases vary by content, they all contain original documents from moments in history.