To have your publications appear on Google News, follow this guide – Show up your Publications on Google News.
Start by creating a Google News Section for your website. This section serves as a dedicated space for your news content on Google News. Refer to the official guide here for detailed instructions on how to create a Google News section.
You need also to add the Sitemap URL to your Google Search Console account for validation. Here you can read more information about this – How to submit Sitemap URL to Google Webmaster Tools?.