Use the library's databases to find news items.
NewsBank provides a comprehensive collection of reliable news sources covering a wide array of topics and issues.
Even typically reliable sources, whether mainstream or alternative, corporate or nonprofit, rely on particular media frames to report stories and select stories based on different notions of newsworthiness. The best thing to do in our contemporary media environment is to read/watch/listen widely and often and to be critical of the sources we share and engage with on social media.
Here are some websites that can help you identify media bias: