Scholarly, peer-reviewed journal articles are written by experts in the field (usually people with PhDs) and have been reviewed by other experts in the field (peers) for accuracy and bias.
Scholars journals have names like:
Popular magazines and newspapers have names like:
Scholarly articles are kept in databases, usually by discipline or subject area. To find the best databases for articles in your discipline, we suggest you use the Library Research Guides. Look for the tab marked something like Find Articles or Find Scholarly Articles.
Google has a scholarly article database too - scholar.google.com.
Watch the utorials on this page to learn more about using SJSU databases and Google Scholar.