"Pizzagate" was a fake news story which connected a pizzeria with a child pornography ring allegedly run by Hillary Clinton and John Podesta. On Sunday, December 3, 2016, an armed shooter entered the pizzeria and fired a shot before being accosted by the police.
This article discusses "post-truth", the idea that all news outlets will fail you eventually and it's impossible to know who to trust. It provides some commonsense advice on what to look for in a news outlet.
Mercola is a doctor of osteopathy who has frequently been targeted by the FDA for promoting false, misleading and even dangerous medical advice. His site promotes products and his blog includes false and/or misleading information about medical topics.
This resource from the Poynter Institute is intended to help journalists verify digital content for emergency coverage. This is a definitive guide to doing your own sleuthing to find out if something is real or fake.
All Sides says that its mission is to: "expose bias and provide multiple angles on the same story so you can quickly get the full picture, not just one slant."
All Sides displays the same news stories from multiple news outlets (along with their rating of their conservative or liberal bias). This is a great way to learn how the same story is reported differently in different outlets.