Answer

Use Library Search

You can access full-text newspaper articles through Library Search. Just type in your topic and click Search. On the results page, use the News limiter option under Source Type at the top of the screen.. 

If you want to see if the Library has access to a specific newspaper (or journal), go to Library Search and choose Publications at the left side of the screen.

For example, you can search or browse the Green Bay Press Gazette or the Wisconsin State Journal. 

Or search these databases directly

US Newsstream – Access 592 national and regional newspapers including The New York Times, the Wall Street Journal, Washington PostLos Angeles TimesBoston GlobeNewsday, and Chicago Tribune, as well as over 80 Gannett titles like the Appleton Post-Crescent, the Green Bay Press Gazette, and the Wisconsin State Journal.

US Major Dailies - Access the five most respected U.S. national and regional newspapers, including The New York Times and Washington Post, co-exclusive access to The Wall Street Journal, and exclusive access to Los Angeles Times and Chicago Tribune. 

Newspaper Source Plus – Provides full-text coverage of today's major newspapers (1,638 titles)!

Regional Business News – Search 231 full-text regional U.S. and Canadian business publications.

Other Newspaper resources not indexed in Library Search

Newswires – View near real-time access to top world-wide news.

Archive of Wisconsin Newspapers – Explore full-text daily and weekly Wisconsin newspapers from 2005 to 90 days ago, plus newspapers from the 1800s and 1900s.

Newspapers.com Library Edition – World Collection – Search the historical newspapers archive from the 1700s - 2000s containing thousands of well-known regional, state, and small local newspapers in the United States and other countries. There are 150 Wisconsin-specific titles.