Some news stories are not news at all but...SATIRE or TABLOIDS
1: a literary work holding up human vices and follies to ridicule or scorn
2: trenchant wit, irony, or sarcasm used to expose and discredit vice or folly
Example: The Onion
1: a newspaper whose pages, usually five columns wide, are about one-half the size of a standard-sized newspaper page.
2: a newspaper this size concentrating on sensational and lurid news, usually heavily illustrated.
3: a short form or version; condensation; synopsis; summary.
Example: The National Enquirer
News Satire from Wikipedia
List of satirical news websites from Wikipedia
List of satirical television news shows from Wikipedia
Not just funny: Satirical news has serious political effects from Ohio State University and Science News