1. A method comprising: determining, using one or more processors and based on receiving a search query, articles and respective scores; identifying, using one or more processors, for an article of the articles, a source with which the article is associated; determining, using one or more processors, a score for the source, the score for the source being based on: a metric that represents an evaluation, by one or more users, of the source, and an amount of traffic associated with the source; and adjusting, using one or more processors, the score of the article based on the score for the source.