First, you will need to create a new links category:
  1. Navigate to onMessage > Content > Links.
  2. Click + Add New Category.
  3. Enter a Name - this will appear in small print on the Recent Activity feed.
  4. Optionally, select Public access or secure access to a specific role.
  5. Click Save.

Next, you can add that links category to Recent Activity stream:
  1. Navigate to Core > Settings > Recent Activity.
  2. Click + Add More next to Links.
  3. Mark the checkbox next to the category that we created.
  4. Click Apply.

Finally, you can copy the news link using the appropriate detail page, and add it to the links category:
  1. Navigate to onMessage > Content > News.
  2. Click on the appropriate news category.
  3. Click the URL button next to the news article.
  4. Select the appropriate news detail page from the dropdown.
  5. Copy the URL from the Main Site section.
  6. Click Close.
  7. Navigate to onMessage > Content > Links.
  8. Click on the new links category.
  9. Click + Add.
  10. Enter a title for the link; this is the title that will display on the Recent Activity feed.
  11. Past the link that you copied in step 3 into the URL field.
  12. Click Save.