Many ISP's news servers are pretty feeble and do not carry the newsgroups you want to read, or, if they do, they have unsatisfactory retention or a limited feed. Commercial news servers might be beyond your means. NewsFinder helps you to find other news servers that are open and carry your favourite newsgroups. NewsRunner is not just a news reader - it's a news reader with a difference, actually, with several differences. Nuntius is a good news reader that includes multi-threading.
Many people swear by it.
You can let it run while you're at your computer, or, better yet, let it run overnight while you're sleeping. 4.2.6 only runs on a PPC and Mac OS 8.5 systems. Yet Another NewsWatcher is a Usenet news reader application for Macintosh. Yet Another NewsWatcher is a Usenet newsreader application for Macintosh.