Fake news is the term that has been given to various types of misleading or incorrect information that is usually shared on the Internet and often on social media. This page has links to wonderful resources that will help you to become more aware of how information is disseminated and how to evaluate it.
These charts are taken from an article from the Harvard Kennedy School's Shorenstein Center on Media, Politics and Public Policy written by Claire Wardle February 16, 2017.