The Pew Research Center recently released a report on how online users interact with the news, where they go to get it, why they leave sites and other information on their habits.
You can read an article about it on Pew’s website here – http://www.journalism.org/analysis_report/navigating_news_online
Or look at some of the details of the report here – http://www.journalism.org/analysis_report/how_users_interact_news