Is the title of a magazine article italicized?

No. Sections of published workschapters, magazine articles, acts within a play, editorials, etc.are placed within quotation marks rather than italicized:

Chapter 6 of A Thousand Days, entitled "Prelude to the New 

Frontier,"presents an analysis of the economic and political

issues leading to President Kennedy's election.
Last month's National Geographic featured an article by Pan

Wenshi of Beijing University entitled "New Hope for China's

Giant Pandas."
The editorial "Keep Light Rail on Track," which appeared in

this morning's edition of the Tribune, presents a solid case

in support of the proposed rapid-transit program.