It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Sometimes people make mistakes and don't check their facts.
Perhaps writers don't do enough research before they publish a news article, a blog post or something that's shared on social media.
Some information is meant to be satirical, purely for entertainment purposes.
Some information is deliberately misleading and is designed to confirm someone's belief about something or to persuade others to believe the same thing.
We shouldbe critical thinkers and not trust everything just because we "saw it on the Internet". Students should care about fake news because they get better grades on projects by using more reputable resources. Everyone should want to be better information consumers and more informed citizens.
WHAT IS FAKE NEWS?
What exactly is fake news? The Merriam-Webster article below ("The Real Story of 'Fake' News" ) may give you a more comprehensive view and give you an idea of how long this term has been around. Wikipedia also offers a more detailed explanation.