Authority is a continuum with sites like nytimes.com at one end and personal statements like reviews at the other. Many sites that a search might turn up will be somewhere in between.
Many 'news' sites are driven by member contributions. Feed.com and suck.com have closed, while the sister site plastic.com lives on.
Brian Carnell– a contributor to member-driven sites liked fuckedcomany.com– runs brian.carnell.com and other sites. They are organized, for all the world, like news sites.