From the basics of news writing to advanced SEO, this is a developing list of handy links for news publishers.
Google Tools and Documentation
Useful tools and information available directly from Google:

Google Publisher Center (Google News and the Reader Revenue Manager) – https://publishercenter.google.com
Google Publisher Center documentation – https://support.google.com/news/publisher-center
Google Publisher Center Help Forum – https://support.google.com/news/publisher-center/community
Google Search Console – https://search.google.com/search-console
Google explains EEAT – https://developers.google.com/search/blog/2022/12/google-raters-guidelines-e-e-a-t
Google on creating helpful, creative, people-first content – https://developers.google.com/search/docs/fundamentals/creating-helpful-content
How News Works on Google – https://newsinitiative.withgoogle.com/hownewsworks/mission/
News Writing
The basics of sound news writing:
Inverted pyramid – https://en.wikipedia.org/wiki/Inverted_pyramid_(journalism)
News writing style – https://en.wikipedia.org/wiki/News_style
Journalism basics – https://en.wikipedia.org/wiki/Journalism
Journalism training/Tony Rogers – https://www.thoughtco.com/tony-rogers-2073503
The art of writing news – https://www.dailywritingtips.com/the-art-of-writing-news/
News Publishing
SEO info, news organizations, and publisher related trainings:
Google News Initiative (tools and resources) – https://newsinitiative.withgoogle.com/
Journalism ethics – https://www.spj.org/ethicscode.asp
Online News Association – https://journalists.org/
Poynter Institute – https://www.poynter.org/
Google News SEO (Barry Adams) – https://www.seoforgooglenews.com/
Good overview of Google News SEO – https://www.stanventures.com/blog/google-news-optimization/
Another good overview of GN SEO – https://www.searchenginejournal.com/google-news-optimization/317701/