Your Questioning the Media assignment recommends using "factual information against which you evaluate different points of view, if necessary from a third source, which may be older than the two you will compare." Issues databases are good places to read about multiple opinions on one topic. These databases also include background information, timelines and further sources!
Issues databases examine "hot button" topics and typically explore opposite sides of an issue.
The video below talks you through how to navigate the Issues & Controversies and SIRS Issues Researcher databases: