Lots of good stuff on this website of the (now closed) newspaper museum in Washington DC, including "Today's Front Pages:" 866 front pages from 86 countries.
Note: The Newseum shut down its physical space 12/31/2019, but the website is still maintained.

"The press boom triggered a new addiction, something the journalist Joseph Addison defined in 1712 as a ‘news frenzy‘. "

Search Captions. Borrow Broadcasts

All of the Pew Research Center areas provide excellent statistics and analysis.

Now less an annual publication and more intermittent fact sheets about news media topics.
Pew Project for Excellence in Journalism
State of the News Media reports from 2004-2018 are archived as PDFs"

"...a collaborative attempt to figure out how quality journalism can survive and thrive in the Internet age."

"Founded in 1975, Poynter is an inspirational place but also a practical one, connecting the varied crafts of journalism to its higher mission and purpose. '

"...the mission of the WNN project is for two reporters to travel to 50 states and document one newspaper in each state in order to find out why these newspapers are still around and how they are surviving. We also intend to document what unique community roles these newspapers fulfill and how their communities regard them."

Video. Interactive visualization no longer online.

Last updated 7/2018, but a good listing of newspapers that have shut down.

A what-if scenario ("GoogleZon") "In the year 2014, the New York Times has gone offline. The Fourth Estate's fortunes have waned. What happened to the news? And what is EPIC?"