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Number of prisoners in Australian jails has surged by 40 per cent in past five years.

• ANALYSIS

Finkel review of Australia's energy security has potential to shake up our future energy supply.

Race discrimination commissioner rejects proposal to detain all terror suspects as ignorant.

"Cranky" science workforce asked to vote for new workplace deal.

Robo-debt to blame for a surge in debt appeals, say the Greens.

A broad-daylight brawl has raised concerns about the safety of high-profile conservatives, particularly in Melbourne.

The long-awaited Finkel review of Australia's electricity market will promise lower energy prices for households.

An escalating IT meltdown at the Tax Office wasn't considered a serious threat for nearly four hours.

Media organisations are standing by the decision despite a growing controversy.

One Nation wins temporary injunction to stop broadcast of secret recordings of party meetings.

• ANALYSIS

Squalid political price-taking has already crept into the public space, and it began right at the top.

Chief scientist Alan Finkel may be the man who resolves the climate wars.

Opposition Leader Bill Shorten has written to Prime Minister Malcolm Turnbull offering bipartisan co-operation on climate change policy, after a "decade of toxic politics" in the area.

Alarming new video shows the conservative commentator pushed into a pole, falling over chairs and fighting back fiercely.

Former US intelligence chief James Clapper drew the comparison on claims about Trump's links to Russia.

Former PM delivers thinly veiled warning on climate change policy to Malcolm Turnbull.

A national strategy to close the gender pay gap is needed, politicians say.

• EXCLUSIVE

American fossil fuel giant Chevron is locked in a major dispute with the ATO, Fairfax Media can reveal.

OECD names house prices as the biggest domestic threat to Australia's economic growth.

Australians overwhelmingly want governments to favour renewable energy - even if it costs more, Lowy Institute poll finds.

The Turnbull government will this week push for toughened and nationally consistent parole laws after concerns were raised about how Yacqub Khayre, the gunman responsible for Monday night's deadly siege in Melbourne, was roaming free despite a track record of violence and extremism.

Mother of Sara Zelenak has confirmed her daughter's death in Sunday's terrorist attack in London.

Australia has broken the record for the longest run of uninterrupted growth in the developed world, figures released by the Australian Bureau of Statistics have revealed.

Treasurer Scott Morrison has warned the economy's future is not yet secure as Australia prepares to stumble across the line on Wednesday to grab the world record for the longest period of consecutive growth.

Conservative commentator Andrew Bolt was allegedly assaulted outside a Melbourne book launch on Tuesday by a gang of protesters, and appeared to give at least as good as he got.

Public spaces that attract crowds are set to receive security upgrades under proposed counter-terrorism measures.

South Australian nurse Kirsty Boden is believed to be the fourth Australian victim of the London Bridge terror attack and is feared dead, Fairfax Media has confirmed.

• UPDATED

Australia's lowest-paid workers will get a $22-a-week pay rise after the workplace umpire lifted the national minimum wage to $694.90.

Labor leader Bill Shorten has been forced to back Labor senator Sam Dastyari following fresh revelations about his links to and lobbying for an influential Chinese donor to the Australian Labor Party.