PM

As tens of thousands of shipping containers around the nation stand idle, port operator DP World and the maritime union have been given a blunt message.

Beijing has suggested a Japanese warship may have been responsible for a sonar incident, which injured Australian divers last year.

Donald Trump is off to a strong start in the race to be the Republican party's candidate for president later this year, winning a crucial vote in the primaries.

The Federal Court has dismissed a case brought by Tiwi Island elders against gas company Santos.

The United States and Britain have launched air strikes against Houthi rebel targets in Yemen, south of Saudi Arabia.

Sixteen people have now been confirmed dead after violent riots in Papua New Guinea's capital, Port Moresby, and its second largest city, Lae.

In Papua New Guinea's capital, the Prime Minister's office is under siege by protesters outraged by the underpayment of public servants.

About a thousand Australian workers are set to lose their jobs after Alcoa announced it will end production at one of its three West Australian alumina refineries.

Three months of rain hit the central Victorian town of Heathcote in just 24 hours, while further east, parts of Seymour and Yea have been issued evacuation orders.

Bruce Lehrmann's barrister has told the Federal Court it can't rely on the evidence of Brittany Higgins, as he made his closing arguments in the defamation case brought by the former Liberal staffer.