TROVE
National Library of Australia
TROVE is part of the National Library of Australia and is a gateway to over 404,271,117 Australian online resources including images, historic newspapers, maps, music, archives and much more. Trove brings together content from libraries, museums, archives, repositories and other research and collecting organisations big and small.
It is a collaboration between the National Library, Australia's State and Territory Libraries and hundreds of cultural and research institutions around Australia, working together to create a legacy of Australia’s knowledge for now and into the future.
Trove has a very impressive digitized newspaper collection from the various states and territories throughout Australia. You can search the collection by keyword(s), newspaper title or by a particular state or territory. The digitized newspaper collection goes back as far as 1803 for some particular newspapers.
If you are looking for old Australian newspaper articles then the Trove digitized newspaper collection is a great place to start.