These databases cover all topics and are the best place to begin searching for journal articles:

ProQuest

Full-text articles, citations and abstracts covering all subjects.

Wilson OmniFile Fulltext

Full-text articles, citations and abstracts covering all subjects.

Research Pro

Search across several databases at once; see which has the most results.

These three databases have full text newspaper articles:

LexisNexis Academic

Hundreds of regional, national, and international newspapers; business publications, and much more.

ProQuest Newspapers

Nine national newspapers including the Los Angeles Times and Wall Street Journal.

New York Times
(1851-2001)

Full page and article images of the historical New York Times.

These two databases are good for overviews of current issues:

Opposing Viewpoints Resource Center
(via GaleNet)

Full-text "pro" and "con" essays and articles on controversial social issues.

CQ Researcher

CQ Researcher provides overviews and analyses of current issues.

This databases cover the alternative and ethnic press:

Alt-Press Watch

Newspapers, magazines, and journals of the alternative and independent press.

Ethnic NewsWatch

Newspapers, magazines, and journals of the ethnic, minority, and native press.

This print index covers many topics back to the 1890s:

Readers Guide to Periodical Literature
1890-present; 60+ volumes.

Good for historical articles on most topics.

Location:
Gleeson Reference Room, 1st Floor

These next databases are good for finding articles from a variety of disciplinary perspectives:

Bibliography of Asian Studies

Citations to worldwide publications on East, Southeast, and South Asia.

HLAS Online
Handbook of Latin American Studies

Citations to publications related to Latin American topics in the social sciences and humanities, compiled by the Library of Congress.

PsycINFO
(via EBSCOhost)

Citations and abstracts from nearly 2000 publications in the field of psychology and the psychological aspects of related disciplines.