Firstly, thanks very much for taking a look! Its a general purpose search engine. To answer your other question, a set of results is drawn from our own crawler.

Firstly, thanks very much for taking a look! Its a general purpose search engine. To answer your other question, a set of results is drawn from our own crawler. Other sets of results are drawn from different APIs (e.g., wikipedia) that we use. Right now, results that we could term as "News" results come from a specific set of sites (e.g., CNN, BBC, engadget, etc.). And you are right, there certain queries generate a lot of news results with their respective dates.