With surging domestic gas prices hitting consumers and businesses, Prime Minister Malcolm Turnbull says current prices are "not acceptable".

Facing increasing cost and political pressure, the Turnbull government is promising Australians cheaper gas to through tough new export restrictions with the inetntion of encouraging growth and investment.

Former Prime Minister Paul Keating has told the Lowy Institute in Sydney that the US might come out on the losing end if it confronts China in the South China Sea.

With Senator Bernardi set to gain thousands of members, finances and two state MPs, how will the new conservative marriage between him and Family First impact the federal political landscape?

Prime Minister Malcolm Turnbull and President Donald Trump will meet aboard the USS Intrepid as part of the 75th anniversary commemorations for the Battle of the Coral Sea.

Terrorism still poses a "global threat", requiring a "long-term commitment" from Australian troops stationed in the Middle East, Prime Minister Malcolm Turnbull said from Afghanistan.

Labor frontbencher Tony Burke compares leadership tensions in the Liberal party to when Labor had the same issues while in government.

New Zealanders will now have to wait longer to obtain Australian citizenship, prompting criticism from PM Bill English.

"Ridiculous" is how a leading Manus Island MP described Immigration Minister Peter Dutton's analysis of the violent unrest at the detention centre.

After coming under intense pressure from lawyers, Labor and the states, the Turnbull government has abandoned plans to slash funding from community legal centres.

Immigration Minister Peter Dutton says he's grateful the US government will honour the refugee resettlement deal entered into by the preceding administration.

Immigration is a rally point for prime ministers past and present. As Malcolm Turnbull shifts to the right on the issue, what did his predescessors do? And why did they do it?

Donald Trump and Italian Prime Minister Paolo Gentiloni offer condolences to France, with the US President describing the police shooting in Paris as "another terrorist attack" before confirmation.

Tough new citizenship hurdles introduced by the Turnbull government will test applicants language skills, analyse their criminal history and require four years of permanent residency.

When Tony Abbott was facing negative polling in his own seat, it may have been Malcolm Turnbull's support that got him over the line.

• Foreign Policy

David Wroe explains why the visit of the US Vice-President is important to Australia.

The Senate inquiry into the Centrelink 'robo-debt' collection scandal has heard the government contractor tasked with recovering funds worked by commission and had KPIs.

Prime Minister Malcolm Turnbull reiterated the government's new "Australia first" commitment to 457 visa changes in Canberra on Wednesday morning, saying Labor has allowed the program to explode.

Prime Minister Malcolm Turnbull says no Australians were harmed - but Australian soldiers provided assistance in the aftermath of the attack.

British Prime Minister Theresa May calls an early election on June 8, seeking a mandate to negotiate her country's exit from the European Union.