Take a look at the source and the URL, as sometimes you can spot fake news on Facebook with sources that are unfamiliar to you because they exist simply to manipulate your view on something.
The feature is similar to previous efforts around privacy and security and is basically a notification that will pop up on top of your news feed for a few days.
Facebook will start offering its users tips on how to detect and stop passing on fake news stories, the company's latest step to crack down on the problem.
In a blog post Facebook's Adam Mosseri, the vice president of News Feed, said Facebook is concentrating on three areas around the issue.
The new feature is part of a broader plan by Facebook to clamp down false news stories, which gained outsizeattention in the months leading up to the 2016 US presidential election.
When it comes to fighting false news, one of the most effective approaches is removing the economic incentives for traffickers of misinformation. While they are pressing Facebook to take more responsibility for the spread of disinformation, that also raises questions whether Facebook should become an arbiter of truth.
The Menlo Park, California-based company worked with First Draft, a nonprofit journalistic coalition, to come up with its tips.
In the U.S., Facebook uses Snopes and PolitiFact, fact-checking organizations that are part of the Poynter International Fact-Checking Network, to help viewers sift through news stories. Facebook suggests being skeptical about sensational-sounding headlines, checking for misspellings and awkward formatting, and spotting errors in web addresses to make sure a site isn't masquerading as a reputable news organization.
Fake news became a serious issue in the United States election campaign, when clearly fraudulent stories circulated on social media, potentially swaying some voters. "They're trying to solve it". Facebook says that it will continue to work towards this goal. Facebook is also working on more ways to flag to users that a post may be false, for example by making it easier for the community to report misleading content.