Language can be full of technical jargon. Written for researchers, professors or students in a particular field. Often glossy paper, lots of pictures, sidebars. Articles do not follow a specific format. Plain paper, sometimes figures, charts and tables included.
Author is usually a staff writer or reporter.
Name and credentials are not always indicated. Articles are reviewed by members of an editorial board who are experts in the field. A bibliography is usually not provided. Ads, if any, are limited to other journals, special services or products in a specific field.