A Fact Checker's Guide to the Internet: 3 Habits of Awesome Researchers: Media Toolbox
This guide will support you and educate you in the tools of Internet research with an eye towards the truth. Invest your time into stories, info, and facts that are true and valid and prevent you from being fooled.
This is just a start of the sites that you can add to your toolbox on your fact-checking journey. Over time, you will build your own set of tools to rely on and the act of verifying the validity of a site will be second nature.