A 19-year-old Sydney man has pleaded guilty to using data stolen in the Optus cyber breach to try to blackmail customers.

The PM is defending the timing of his government's workplace reforms as he pushes to get the legislation passed by Christmas.

Australia now has the third highest life expectancy in the world.

In sport, Socceroos coach Graham Arnold has dropped a series of bombshells in his team announcement for the world cup.

And in entertainment, Ryan Reynolds says he hopes his fourth child with Blake Lively will be a girl, despite already welcoming three daughters!