A scholarly or peer-reviewed article will always cite the sources used to validate its facts or data. If the articles you find do not cite sources or if you want to verify information, you can start with some of the websites listed below.
A non-partisan, non-profit political fact-check website that summarizes and analyzes public policy issues. It is operated and maintained by the Annenberg Public Policy Center of the University of Pennsylvania.
A comprehensive metasite organized by subject. Provides links to essential fact-checking sources, including news sources, directories, online encyclopedias, maps, almanacs and genealogical information.