Microsoft seems to be testing a search carousel titles “interesting reads.” This can show up for a super competitive keyword phrase, like [coffee], [beer], [wine] and so forth. I personally cannot replicate it but the box seems to show content from news sites or blogs.
Here is a screenshot from Khushal Bherwani on Twitter:
Here are more screenshots:
Again, I cannot replicate this, so I do wonder if this is a test or some sort of regional feature?
Forum discussion at Twitter.