There are hundreds of databases from which to choose. Below is a list of a few good ones, but try checking out the library Subject Guides for the different research areas in which are you interested. Looking at more than one guide is often helpful.
Doing research needs to be more than a quick Google search [though there's nothing wrong with doing so to start!], but it's difficult to know to where to go and how to look for information we can trust [Google lets us down here, unfortunately]. I recommend checking out our tutorials:
The ones below will give you a great start!