Many of the new scientific findings is being published as scientific journal articles. They are important to have in your own research. Journal articles provide a good overview of previous research, but also of important theories and methods in the subject.
There are also other types of journals, such as industry journals and popular science magazines. If you are looking for a particular journal you know the name of, you can search for it in the library journal list which contains both printed and electronic journals
Scientific journal articles can be found in various article databases. Searching is these databases is different from googling information online. It requires knowledge of search technique, search strategies and of database structure and functionality.