David Wroe is national security correspondent for The Age and the Sydney Morning Herald in Canberra.
The Turnbull government will review the security clearance of an adviser to crossbench kingmaker Nick Xenophon after revelations he told the media about a massive security breach at the French firm building Australia's new submarines.
It was a stunning disclosure that caused an international furore. And now we know it played out inside a senator's office.
It's easy to think that war fighting is deteriorating into barbarism. The Islamic State's campaign of terror, Boko Haram's sexual violence and use of child bombers, the razing of Aleppo are all playing out in horrific immediacy on social media.
Prime Minister Malcolm Turnbull maintains he is confident a Trump administration will not torpedo a deal for the United States to take refugees from Nauru and Manus Island as American officials prepared to start vetting people in the offshore detention centres.
Donald Trump has earned his reputation for recklessness over many months. But not everyone is convinced his bumpy entry into Asian strategy spells dangerous anarchy in Asia.
Prime Minister Malcolm Turnbull is expected to speak with the global head of mining giant Adani on Monday amid mounting speculation the government will contribute $1 billion for a railway line to serve the forthcoming Carmichael coal mine.
Australia's most celebrated architect, Glenn Murcutt, has slammed planned changes to Parliament House that will block public access to the building's famed grassy slopes, labelling the security upgrade a knee-jerk reaction.
Two Australian Hornet fighter planes dropped bombs in the botched coalition air strike that accidentally killed pro-Syrian regime fighters instead of Islamic State terrorists in September, Defence has confirmed.
Bad press from financial scandals forces the RSL to cancel centenary concert aboard navy flagship HMAS Canberra.
One Nation has joined the Greens in a call for reform to ensure that Australia cannot participate in war without the approval of Parliament.
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