Google announced the expansion of its In-depth Articles search result box to include related topics and up to 10 suggested articles.
In-depth Articles results first arrived in August as a way of finding longer-form of information instead of just a quick answer. After the update, Now you can click the “+ More in-depth articles” link to expand the box beyond just three results. The new “Explore:” section underneath will take users straight to a new in-depth article search on a related topic.
The in-depth articles feature is currently available on google.com in English.