I am not aware of a single word that fits the OP's request, the phrase "to learn more" is the easiest and most idiomatic solution but there are other viable alternatives.
- For those who wish to delve deeper, the full article can be found at WWW.XXX.Com.
To delve deeper into something implies that the article under discussion is fairly vast. To delve means to to examine something more closely, to physically search for something.
Otherwise, if the op is interested in creating a more succinct phrasing then may I suggest the following
- Further details of the full article can be found at WWW.XXX.Com.