Besides using the Search & Find search on the library home page and then unchecking the box on the left sidebar that excludes newspaper articles, here are databases focusing specifically on newspapers.
Provides access to newspapers, journals, magazines, television and radio transcripts, photos, etc. from nearly every country worldwide in 28 languages. It also contains business and financial data on companies from around the world.
Includes World Newspaper Archive, including African Newspapers; African American Periodicals 1825-1995; Black Authors, 1556-1922: Imprints from the Library Company of Philadelphia; Early American Imprints, Series I: Evans, (1639-1800); Early American Imprints, Series II: Shaw-Shoemaker, (1801-1819); Early American Newspapers, Series 1 (1690-1876) and Series 2 (1758-1900).