Australian politicians will have to prove they are not foreign citizens under plans proposed on Monday as the conservative government grapples with a constitutional crisis that has cost it a majority in parliament.
Australia on Sunday snubbed New Zealand's renewed offer to resettle 150 refugees held at remote Pacific camps, despite the closure of one detention centre in Papua New Guinea.
The Australian government said on Tuesday it will build a A$5bn ($3.76bn) second international airport in Sydney, ending decades of indecision on the project which private investors deemed too risky and expensive.
US President Donald Trump defended a series of "tough phone calls" with world leaders after reportedly exchanging harsh words with Australian Prime Minister Malcolm Turnbull.
Thousands of people attended a vigil Monday in memory of the five victims mowed down by a car at Melbourne's busiest mall last week as police charged the suspected driver with murder.
Australia will spend A$1.3bn ($965.3mn) in the next five years to improve the water quality and wellbeing of the Great Barrier Reef to prevent the World Heritage Site being placed on the United Nations "in danger" list.
Australia refused on Friday to back former prime minister Kevin Rudd's bid to be the next Secretary General of the United Nations, saying he was not suited to the job.
Australia will indefinitely detain people convicted of terrorism-related charges if it feels they pose an ongoing danger to society upon their release, Prime Minister Malcolm Turnbull said on Monday.
Australian Prime Minister Malcolm Turnbull slapped down an ebullient colleague on Friday who declared his struggling coalition "an election-winning machine" as the leader wooed more independent lawmakers.
Several countries have tightened or reviewed airport security following twin explosions at Brussels Airport, as Australian Prime Minister Malcolm Turnbull blamed Europe's porous borders and lax security for the attack.