The Turnbull government may need just one more vote in the Senate to pass its $8.2 billion Medicare levy.

Turnbull government minister Fiona Nash has been caught up in the dual citizenship fiasco, referring herself to the High Court because of her Scottish descent.

The ABS will spend $6 million on the survey before the High Court decides next month whether it is legally valid.

One Nation leader Pauline Hanson has triggered a firestorm around religious freedoms after wearing a burqa into Parliament.

• ANALYSIS

Welcome to the end of the age of reason, sniped the US president as his corrupt ways finally dragged him low.

The Turnbull government is attempting to change the conversation by introducing changes to the Medicare levy and media reform.

"There's a dark cloud hanging over the Parliament. We need to resolve it for the good and wellbeing of the body politic."

Rainbow buses, roundabouts could be seen around the city as the ACT government pushes for marriage equality.

Controversial Greens senator Lee Rhiannon has been accused of misleading the producers of the ABC's Four Corners by falsely claiming she featured in footage of activists getting arrested at an anti-apartheid protest.

Face fully covered, the woman in black didn't need to say anything as she entered the Senate.

Conservative senator Cory Bernardi​ has called for Parliament to be suspended until the constitutional crisis engulfing a growing number of MPs can be resolved.

• COMMENT

George Brandis' thundering condemnation was not just a moment of fine moral and political clarity, it was also bloody common sense.

Australia's offshore immigration detention agreement with Papua New Guinea is valid, the High Court has ruled.

After days of silence, Justice Minister Michael Keenan has taken to social media to say he renounced his British citizenship in 2004, which he inherited from his father, before entering Parliament.

The federal government has lost an appeal over a court ruling that mobile phones cannot be taken from people being held in immigration detention.

"This is at a time when we have never, ever needed more outstanding leaders," said Hawke.

The locals of New England can't quite believe Barnarby Joyce was dumb enough to be a dual citizen. But that doesn't mean they want to turf him out.

Pauline Hanson's bid to change the ABC charter and force the broadcaster to reveal the salaries of its top presenters appears doomed to fail.

• EXCLUSIVE

Treasurer Scott Morrison is encouraging older Australians to downsize and "free up home for larger families" after a Fairfax Media analysis of census data found more than 2000 homes in Sydney and Melbourne with six or more bedrooms and only one person living in them.

MPs from across the political divide want to examine what role the Department of Veterans Affairs has in worsening veterans' mental health.

• EXCLUSIVE

The Turnbull government is optimistic it can strike a shock deal with the Senate crossbench and pass the $7.8 billion Medicare levy

"How can this possibly end well?" ABS insider asks.

Two new reports have provided precise coordinates of a new search zone: 35.6°S, 92.8°E.

If you're prepared to hit people you love, you can't be fully trusted to act with honour and discipline on the battlefield.

• EXCLUSIVE

Plans from Labor and the Coalition would set a dangerous precedent of partisan referrals, setting the stage for a damaging free-for-all.

The Turnbull government is desperately trying to fight its way out of the citizenship crisis threatening to engulf it.

Dept clashed when suited up "little drones" merged with "fluffy sweaters and tie-dye skirts".

Amendments that threatened to weaken a bill to protect vulnerable workers from underpayment and exploitation were under "delicate" negotiation on Tuesday night.

The Trump administration has listed Pauline Hanson's One Nation Party a threat to religious freedom in a new report released in Washington.