The Guardian is one of the few newspapers still freely available on the web. It requires a free registration, but articles appear to be unlimited. Select Columnists under Opinion for a list of all writers and their recent work.
538 covers political news with charts and graphs. Since ABC sponsors it, its stories are credible.
Atlanta Journal-Constitution offers local news, features, and an opinion section. You need to turn off your ad-blocker, and there is a paywall. Fortunately, News and Newspapers carries most of the AJC's material, though sometimes under other publications' (syndicators') names.
Both the Los Angeles Times and Washington Post feature paywalled columns, but you can find the full articles by searching titles in News and Newspapers too.Finally, you can find interesting articles in the Wall Street Journal and actually read them by searching for their titles in the ProQuest Wall Street Journal database.
Time , Slate , Salon , and the The Daily Beast still offer mostly free content about both news and popular culture, and the DotDash Meredith family of magazines offer content about home, beauty, and technology, as well as consumer titles you sometimes see in supermarkets or drug stores. To find the magazines, click a category under Brands and then choose a title. If you are unsure about an article's writer's background, clicking author names often yields a helpful biography. Psychology Today is also available for free.
The Atlantic covers news and popular culture in depth, with credible long-form articles. Alas, The Atlantic has a fairly limited paywall. The good news is you can still read it for free by:
A large proportion of The Atlantic's articles appear only on its website, rather than in print. A semi-secret database (Not visible under Databases A-Z) called Newsbank now offers these articles, but also comes with extra links.