What's the term for a newspaper or magazine that specializes more in sensationalism than solid news?

I'm blanking out on the term. It's not gossip rag or scandal sheet, because those focus on such things and don't pretend to be real newspapers.

I'm asking because I want to say that Yahoo! is becoming one of these, with every gruesome story they can find and lots of junk news put up as real - just very low quality stuff. But I can't think of the right phrase!