Most magazines now have an on-line aspect. Quite a few are free, some are totally free since we subscribe to them, and some have articles that can be read/used without subscription. Try one. They are quite the same as the standard paper version, but in most cases they are superior with clickable additions and a slick look, without all of the ads.
The New York Times http://www.nytimes.com/
Time magazine http://www.time.com/time/
Newsweek magazine http://www.newsweek.com/
Sports Illustrated magazine http://sportsillustrated.cnn.com/?cnn=yes
U.S. News & World Report magazine http://www.usnews.com/
National Geographic magazine http://news.nationalgeographic.com/news/index.html
Consumer Reports magazine http://www.consumerreports.org/cro/index.htm
Fox News http://www.foxnews.com/
CSPAN news http://www.cspan.org/
BBC News http://news.bbc.co.uk/
MSNBC News http://www.msnbc.msn.com/
ESPN http://espn.go.com/
CNN http://www.cnn.com/
PBS http://www.pbs.org/
NPR http://www.npr.org/
The Weather Channel http://www.weather.com/
The Washington Post http://www.washingtonpost.com/
Seventeen magazine http://www.seventeen.com/
Latina magazine http://www.latina.com/
The New Yorker magazine http://www.newyorker.com/
Harper's magazine http://www.harpers.org/
The Atlantic Magazine online http://www.theatlantic.com/
People magazine online http://www.people.com/people/
The Economist online http://www.economist.com/
Foreign Policy online http://www.foreignpolicy.com/
Smithsonian Magazine online http://www.smithsonianmag.com/
The Wall Street Journal online http://online.wsj.com/home-page
BusinessWeek online http://www.businessweek.com/
SmartMoney online http://www.smartmoney.com/
Forbes http://www.forbes.com/
Le Point--online magazine in French http://www.lepoint.fr/
Le Monde--online and in French http://www.lemonde.fr/
Elle--online and in Espanol http://www.elle.es/
El Mundo--Online Newspaper from Madrid, Spain, covering general news. http://www.elmundo.es/
Physics Today--Your daily physics news and research source. http://www.physicstoday.org/
People magazine online and in Spanish http://www.peopleenespanol.com/pespanol/
Psychology Today as an online magazine http://www.psychologytoday.com/pto/issue_current.html
The Boston Globe online news, but has stuff about the Red Sox. http://www.boston.com/
The Philadelphia Inquirer http://www.philly.com/
USA Today online newspaper http://www.usatoday.com/
Philadelphia magazine online http://www.phillymag.com/index.html
Barrons--politics and economics http://online.barrons.com/home-page