Newspapers:

The City Paper (weekly)
The Philadelphia Weekly (weekly)
The Philadelphia Inquirer and the Daily News (daily)
Philadelphia Tribune (daily)
Philadelphia Business Journal
Philadelphia Magazine (monthly)
The Weekly Press of Center City and the University City Review
Northeast Times (weekly)

Radio: (These stations also webcast)

WXPN (University of Pennsylvania alternative rock) 88.5
WHYY (NPR) 90.9
WKDU (KYW News Radio 1060 AM Drexel University; really alternative rock) 91.9
WPRB 103.3 (Princeton University; jazz, classical, folk, underground)

Local TV: (Channel numbers may vary on cable systems)

KYW (CBS) 3
WPVI (ABC) 6
WCAU (NBC) 10
WHYY (PBS) 12
WPHL (WB) 17
WTCG (FOX) 29
WYBE (Public) 35
WPSG (CW) 57
TV Guide