Australia joins the world in promising to reach net zero on carbon emissions by 2050 — a policy it opposed two years ago — ahead of the upcoming global climate change summit in Scotland.

The government has committed to reaching net zero by 2050, and says it is on track to beat its 2030 emissions targets. But what will it take to turn Australia green?

Long-time ABC presenter, Russell Woolf had open arms, an open heart and, more often than not, wore a wide grin on his face and thongs on his feet. There is little doubt he will be missed by many.

The federal government will soon make an announcement on COVID-19 vaccine booster shots, with authorities saying it's likely they'll be offered six months after someone has been double-dosed.

In the family's second TV interview since Cleo Smith's disappearance, the missing four-year-old girl's mother is asked the question no parent should have to answer.

The Matildas will look to build on Saturday's 3-1 victory over Brazil in the second of their back-to-back friendlies at Parramatta Stadium. Follow all the action in our live blog.

Ordinary Australians and impatient business leaders years ago abandoned all hope of any kind of coherent energy and climate policy and went it alone. Now the government is stepping in with its plan to take us to net zero, writes Ian Verrend...

Mark McGowan says Western Australia may close its border to all states and territories that are planning to ease border restrictions in time for Christmas. 

Adelaide woman Caroline Dela Rose Nilsson, who was accused of murdering her mother-in-law, is acquitted by a Supreme Court jury.

Astronomers say they may have detected a potential planet outside of our galaxy — although no-one will really know for sure for at least another 70 years.

Premier Annastacia Palaszczuk says the new COVID-19 cases detected in the community are a reminder the state is "not immune to the pandemic".

A New South Wales man who caused a three-day snap lockdown in southern Tasmania has been charged over allegedly leaving hotel quarantine without permission as well as breaching a domestic violence order.

The South Australian government has released its roadmap on how COVID-19 will be managed once the state reopens its borders. Here's what we know so far. 

Electricity should be a main focus, but big improvements are also needed in transport, industry, agriculture and buildings.

Crown Resorts will keep its Melbourne casino licence for now, despite the Victorian Royal Commission into the Casino Operator finding that its conduct was "disgraceful".

Telephone and internet blackouts in Sudan leave community members in Australia cut off from relatives, as Monday's coup is widely condemned by international leaders.

Matt Kean is grilled at budget estimates over his plan to manage the state's "massively under threat" koalas.

A former staffer of Gladys Berejiklian tells the corruption watchdog she learnt about the then-premier's secret relationship with Daryl Maguire the day the disgraced MP appeared before ICAC in 2018.

NSW Police say they will move to seize the $4 million Sydney home that Mostafa Baluch put up as surety after the 33-year-old went missing days after being bailed over an alleged plot to import cocaine into the state.

There are now 24,715 active cases of the virus in Victoria, and 234 people have died during the current Delta outbreak.

Videos and photos uncovered in an investigation into one of Australia's leading cosmetic surgery clinics show practices that plastic surgeons have described as "dangerous" and "staggering".

Can I give my pet COVID? And do they need to be vaccinated against the virus? We find out how you can protect your pets from COVID-19.

International travel is on the horizon for Australian citizens and permanent residents - but for international students on temporary visas, like Natasya Salim, going home could mean not returning to Australia again for a long time.

Abigail Lishomwa is living with a rare genetic disorder that mostly affects girls. Her mother says there was no sign her daughter had the condition until she turned one.

At the end of last year, the internet was buzzing with leaked reports that a team of astronomers hunting for signs of extraterrestrial life had detected a strange signal. Now the verdict is in.