First Channel Armenia has been broadcasting Armenian language programming since 1956. Since 2008, the channel has increased the amount of domestically-produced content they broadcast. The channel is also involved in the Eurovision Song Contest, in which Armenia has competed since 2006. You can watch original series and trailers on the First Channel website.
A good source for newspaper websites from all over the world is World-newspapers.com. The website features country newspaper listings by region and continent, and Armenia is listed under the Asia section. Many of the sites have English and Armenian language options.