When viewing a scanned newspaper in Google News Archive, you can easily browse through pages and navigate its articles like you would for a physical newspaper. In the top right corner of of the News Archive Viewer, you'll see a navigation bar like the one pictured and described below.
See this example from the Montreal Gazette, August 6, 1966.

1. Back to the article
Click this any time while browsing to be taken back to your original search result article in this paper.
2. Zoom out / Zoom in
Use these icons to zoom in and out while browsing newspapers.
3. Fit to height
Click this to fit the entire newspaper page you are viewing to the height of your browser window.
Full screen
Click this to minimize the search bar at the top of the page and sidebar and view newspaper pages in full screen mode.
Page navigation
Click the left and right arrows to page through the newspaper, or simply enter the page number and jump directly to that page
In addition to these toolbar options, you can use a number of mouse and keyboard shortcuts to view newspaper pages in News archive search:
- Panning vertically: Use your mouse scroll wheel, or the Page Up/Page Down keys.
- Panning horizontally: Use the 'J' key to move forward a page, and the 'K' key to move backward a page.
- Centering: Double-click a spot in the viewing pane to center the page.
- Use the 'J' key to move forward a page, and the 'K' key to move backward a page.