These websites aggregate popular news stories from a variety of sources. Some are curated by editors or users, while others are generated automatically. All are in Japanese.
These databases contain mostly historical newspaper page images, spanning the Meiji period to the present in some cases. Several are Penn subscription databases and require a PennKey login.
These are a variety of online publications that provide current news on Japan in English, as well as some historical topics such as the Great East Japan Earthquake.