Felgenhauer published numerous articles on topics dealing with Russian foreign and defense policies, military doctrine, arms trade, military-industrial complex and so on.
From February 1993 till September 1999, Felgenhauer was a member of the editorial board and chief defense correspondent of a Moscow daily Segodnya.
Since May 1994 till October 2005, Felgenhauer published a regular column on defense in the English language local daily The Moscow Times.
In July 2006, after being more than six years an independent defense analyst, Felgenhauer joined the staff of Novaya Gazeta.
Felgenhauer continues to provide regular comments on Russia's defense-related problems to many other local and international media organizations, including The Jamestown Foundation.