Scott Ludlam has quit as a senator immediately.
The Greens are in shock after their co-deputy leader, Scott Ludlam, discovered he is ineligible to sit in federal parliament because he has dual New Zealand citizenship.
Labor will argue David Gillespie ineligible to be an MP based on Section 44(v) of the Constitution.
Given the Turnbull government only has a one-seat majority in the lower house, the immediate stakes of the challenge to David Gillespie's eligibility are as high as they could possibly be.
Eddie Koiki Mabo (left) and Jack Wailu on the Torres Strait island of Mer.
National Archives of Australia/AAP
The Mabo decision changed Australia's concept of land ownership. It was a divisive yet important step toward recognising Indigenous rights and establishing native title.
The issue before the court was whether Bob Day was disqualified from being elected because of Section 44(v) of the Constitution.
The key takeaway from the Bob Day case is that courts interpret the eligibility requirements for election strictly.
Malcolm Turnbull has foreshadowed changes to Australia’s foreign donations laws.
The rationale for banning foreign donations is to stop the threat of overseas interests undermining Australian democracy.
Questions have surrounded Rod Culleton’s eligibility to sit in the Senate since before he was even elected.
After all of the legal controversies of the past year we have ended up in essentially the same position – the Senate will include a One Nation senator from Western Australia, but not Rod Culleton.
Susan Kiefel after she was sworn in as a High Court judge in 2007. She is now Australia’s first female High Court chief justice.
Women’s exclusion from legal and political power for much of last century makes Susan Kiefel’s appointment all the more significant.
Especially not for a hard Brexit.
Given that a hard Brexit currently looks to be the most likely outcome, the British people need to be given another say.
How the Daily Mail reported the story.
How the Article 50 judgment kicked a hornets' nest.
Family First senator Bob Day, who has now resigned his Senate seat.
Changes to Senate voting laws and the particular case of Senator Bob Day make for an unprecedented constitutional tangle, and one that will change the make-up of the Senate.
Millions were spent supporting an extradition process to make the prosecution of Dragan Vasiljković somebody else’s problem.
Historically, Australia’s broader policy approach to war crimes and war criminals has lacked a clear and coherent foundation.
Labor senator Doug Cameron, speaking on Q&A.
Labor senator Doug Cameron told Q&A the High Court had decided that the unions and business are entitled to fund political parties. Is that true?
Malcolm Turnbull introduced a bill for a same-sex marriage plebiscite to parliament on Wednesday.
We don’t have to love a process like a plebiscite, or think it ideal, to make the most of it.
Labor senator Sam Dastyari has faced questions over his decision to accept money from a Chinese company to cover travel expenses.
What is meant by a 'foreign' political donation? And why should such donations be better regulated?
Former police minister Mike Gallacher is one of a number of current and former MPs to be caught up in Operation Spicer.
There are a few necessary ingredients for the effective regulation of any political donations system.
A minister of religion is not obliged to solemnise any marriage.
Ministers of religion who support marriage equality would be able to challenge the Marriage Act in the High Court. They would stand a good chance of winning.
Australia’s political representatives have the ability to legislate on a wide range of matters. Marriage is one of them.
As the government hints the marriage equality plebiscite may be delayed until 2017, calls intensify for the parliament to legislate on the issue instead. So what is parliament's role here?
Malcolm Turnbull has called for nationally consistent laws to enable convicted terrorists to be detained at the end of their prison sentence.
A post-sentence regime for convicted terrorists will only keep Australians safe if an accurate assessment of risk is possible.
Pauline Hanson’s One Nation Party is seen as the favourite to secure the final WA Senate position.
One Nation candidate Rod Culleton could win Western Australia's final Senate position, but Section 44 of the Constitution suggests he is ineligible to take his seat.
A proposed new law is set to allow surrogate parents in South Africa to also take leave to care for their babies.
South African law requires surrogate mothers to hand infants to their legal parents without undue delay. But it doesn't provide leave for these parents to care for their infants. That is set to change.