In the "My account" section under your name, you may sign up for email alerts or newsletters  pertaining to specific topics or keywords.

You may save articles by clicking on the bookmark icon. 

From the "My Account" section, you may retrieve articles that you have saved.  

Times Topics

Topic pages collect news, reference and archival information, photos, graphics, audio and video files published since 1981. This is a great starting point for research on a particular topic.