Is it real news or just publicity?
See if the text of a news article has been lifted from somewhere else or taken out of context. Is it just a repackaged PR release or is it substantially taken from a Wikipedia article? To find out, enter the text or URL on the Churnalism homepage (or install a browser extension.)
"Churnalism searches the text you enter against a large corpus of press releases and determines the best matches. Sometimes, exact fragments will match that are clearly not plagiarism ... [but may be] boilerplate copy about a particular company that is usually appended to the end a press release. In order to filter out uninteresting matches and provide the best user experience, we use a relevancy ranking ....
Video tutorial here.