The news feed will only show the 10 most recent news posts. If you cannot see the 10 most recent posts you will need to amend your browser resolution by zooming all the way out on your browser and then zooming back into 100%.
You can do this by using the Ctrl key and the + or - button.
If the resolution adjustment does not resolve this, it may be due to your device's display increasing the size shown, therefore not loading the page fully. Adjusting the display on your device as well as your browser zoom, should then show the historical news posts.
📌Note: The mobile app will only show news posts that have been posted within the past 30 days. Via the desktop, you can manually search and review old news posts.