From The Jargon File (version 4.4.7, 29 Dec 2003) :
netnews
/net'n[y]ooz/, n.
1. The software that makes Usenet run.
2. The content of Usenet. ?I read netnews right after my mail most
mornings.?
From The Free On-line Dictionary of Computing (30 December 2018) :
netnews
news
/net'n[y]ooz/ 1. The software that makes Usenet run.
2. The content of Usenet. "I read netnews right after my
mail most mornings."
[{Jargon File]
(1994-12-14)