Journals usually contain articles with original research and are intended for an academic audience.
Typically, journals are published several times a year; e.g. in monthly or quarterly issues. One year's worth of issues is called a volume.
A non fiction piece of writing usually published in a journal, newspaper or magazine.
A citation for an article in a journal using the APA 6th reference style looks like this:
Scherer, J. (2008). The media sports cultural complex: Local global
There are lots of different types of articles. At university you'll often need to read peer reviewed or scholarly articles when doing research for your assignments.
AUT Library subscribes to Ulrichsweb, a database with very detailed information about journals and magazines, including whether they are peer reviewed.
The difference between articles from a scholarly journal, trade/professional magazine, popular magazine and newspaper article is explained in this short video.
(NB you will need to have credit on your AUT internet account to view this while at AUT)