As always, when you're looking at information, especially popular materials. But also keep in mind that academic articles also can be investigated to see who funds research. Be aware of who the the author is, who is the article written for, and the editor/publisher.
Try out the TRAAP test to see if what you're looking at is reliable or unreliable.
The Harper College Library has both popular and scholarly, (academic) resources. The key is knowing when and how to use them.
