Start with these multidisciplinary databases to find articles from scholarly (peer-reviewed) journals, magazines, trade journals, newspapers, etc.
You may also want to check out these discipline-specific databases. Limiting to specific disciplines can sometimes help narrow search results.
Peer-reviewed (refereed) articles are certified by experts in the field before they are accepted for publication.
Learn more: Peer-Review Guide
Academic: Refers to the audience of a publication
Scholarly: Refers to the audience of a publication
Refereed: Articles are monitored before publication
Peer-Review: "Blind review" by scholars and experts