1
general::
Phrase(s): No news is good news.
Not hearing any news signifies that nothing is wrong. • Fred: I wonder if Jill is doing all right in her new job. Jane: No news is good news. • Jane: I’m worried about my sister. She hasn’t called me for months. Alan: No news is good news, right?
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Having no information means that bad developments are unlikely, as in I haven't heard from them in a month, but no news is good news. This proverbial phrase may have originated with King James I of England, who allegedly said "No news is better than evil news" (1616).
American Heritage Idioms