Information can come from a variety of sources. Knowing the author's background, publication process, and audience area few of the ways to evaluation your source.
A popular method to evaluating sources is the CRAAP test:
*Image from: https://blogs.canterbury.ac.uk/library/roll-up-roll-up-free-academic-sources/
Specific characteristics help identify if a source is scholarly or popular.
*Image from: https://dornsife.usc.edu/writingcenter/handouts/