One of the oldest debunking sites on the Internet, Snopes.com focuses on urban legends, news stories and memes. the also cite their sources at the end of each debunking.
Created and maintained by the US Census Bureau. Very useful website for checking facts about US populations, economic conditions, health, crime, and more.
Created and maintained by the US Central Intelligence Agency to provide information on the history, people, government, economy, geography, communications, transportations, military, and transnational issues for 267 countries.
Source: Barclay, Donald A. Fake News, Propaganda, and Plain Old Lies. Maryland. Rowman & Littlefield Publishers. 2018.