Moderation / curation / selection is present in every single organization; this cannot be helped. Not only is it human nature (humans are tribal, and newspapers / magazines often target specific demographics or mindsets). but the sheer quantity of news makes it impossible to do otherwise.

I expect, in other words, the Wall Street Journal curated headline list to look different from the New York Times headline list, and likewise for the New York Times headline list to look different from the Economist headline list, and that to look very different from my local city paper headline list.

To me, "unbiased news" therefore does not in practice exist (and most complaints about bias are merely complaining that something exhibits "the wrong" bias.) The only true way of coming close to "unbiased news" is probably via meta-analysis. Humans probably cannot handle this for all articles -- a single person would be overloaded with information.

Realistically, the best you can do is limit yourself to a few select news sources that you find the most trustworthy, or that you care about personally (eg more specialized news sources). There is bias even in that, but as long as your curation isn't in one silo, you are probably more informed than most.

(Maybe machine learning could be used to generate meta-analysis of news items with as little "bias" as possible, however even here there's a strong possibility that the bias of the "trainer" would end up dominating...)