Yes, Virginia, I look at a lot of sources, particularly with an eye to seeing what may have been left out. Fake news stories are generally not whole-cloth fabrications (although some have been), but rather leave out certain facts, in order to give readers the impression the writer wants to instill.
This is particularly true of headlines, which, as the writers know perfectly well, is all that many people will read. Sometimes I find information towards the end of the article that negates or strongly modifies the impression made by the headline. It's similar in purpose and effect as when a newspaper retracts a false/erroneous front-page story; the retraction, of course, appears on p. 57.