Block and unblock channels and topics in News on Mac
If you don’t want stories from certain channels or topics to appear in the Today or other feeds in Apple News, you can block the channels or topics. If you change your mind later, you can unblock them.
Note: Apple News isn’t available in all countries or regions. See the Apple Support article Availability of Apple Media Services.
Block channels or topics
In the News app on your Mac, do any of the following:
Block a channel or topic in the sidebar: Select the channel or topic in the sidebar (if the sidebar isn’t shown, click
in the toolbar), choose File > Block Channel or Topic, then click Block in the dialogue. You can also click the Share button 
in the toolbar, choose Block Channel or Block Topic, then click Block in the dialogue.Block a channel or topic in the Today feed: Next to the channel or topic’s name, click the More button
, choose Block Channel or Block Topic, then click Block in the dialogue.
Note: When you browse Top Stories and other areas that feature stories curated by Apple News editors, stories from channels you blocked show a grey headline and a message indicating that you blocked the channel. To read a story from a blocked channel, click it, then choose Read Story.
Unblock channels or topics
In the News app
on your Mac, choose File > Manage Blocked Channels & Topics.Click the Remove button
for a channel or topic, then click Unblock.Click Done.