Many newspapers are on the open Web, but some have paywalls for older issues or offer a limited amount of free access per month.
NWACC library provides online access to many newspapers. Here is the a list of databases which provide access to numerous newspaper - Newspaper Databases. Ask a Librarian if you need help locating a specific newspaper publication or article.
Newspaper articles can also be found through NWACC library's Search Everything (under 'Source Types' limiters on the search results page as shown below).