We still don't know who created the Marree Man, an enormous figure in the Australian outback. For every question answered, another two or three need to be asked. But like with all great mysteries, everyone has a theory.

Dairy farmers say they are devastated a 10-cents-a-litre increase in the retail price of milk in July has not been passed on to them.

A man who was a teenager when he murdered his relative whose bones were later found in rural SA receives a mandatory sentence of life imprisonment, but his non-parole period has not yet been set.

Two grandparents and another sailor die after a catamaran capsizes off the coast of Newcastle in rough conditions, with the father and daughter surviving by clutching onto the overturned yacht.

New data shows dolphins, turtles and stingrays made up 94 per cent of the marine life caught by shark nets on some of New South Wales's most popular beaches.

A 26-year-old woman is charged with 11 offences after allegedly stabbing members of the public, as well as her daughter, in Salamander Bay near Port Stephens.

A man who denied knowing anything about $245 million worth of drugs onboard a catamaran he skippered from Tahiti faces life in jail after being found guilty of the crime.

Running on a wedding day is normally a sign something has gone very wrong but not when you are running together, at a parkrun event.

A monitoring program to survey bleaching is underway at Lord Howe Island Marine Park with researchers performing underwater assessments and aerial mapping.

Greg Inglis's rugby league retirement brings down the curtain on a remarkable NRL and State of Origin career that will see him remembered as a legend of the game, writes Zane Bojack.

The Nationals are hoping to cling on to their seats, including a few held on very slim margins, and add to their tally by winning a three-cornered contest. But the country-based party has problems, and some say they're at risk of losing a handful of seats.

Brenda Marney, 73, is charged with animal cruelty offences after a mutilated magpie is found at her home on the NSW mid-north coast police believe she lures animals with food before capturing and torturing them.

Free martial arts classes being offered to victims of bullying could have a major impact on the mental health of young people, experts say.

Brewing biofuel at a unique international school in Indonesia was just one of the projects taken on by students Britt and Marein Koens in the pursuit of sustainability.

Eighty-two per cent of tourists to WA want an Aboriginal cultural experience when they visit, but only 26 per cent get what they want.

Australian farmers are grappling with the future of wheat exports as Black Sea nations like Russia and Ukraine increase shipments to Indonesia.

Labelled "exceptional" by the state's most experienced equine vet, twin fillies delivered by a mare in WA's Wheatbelt are still alive through a crucial period after being born.

Regional queer communities say being invisible makes people feel isolated and less likely to get support.

Alannah MacTiernan says farmers risk losing access to foreign markets because of their reliance on glyphosate, but her remarks draw criticism from farming groups that say the herbicide is a linchpin of the industry.

When hunting the Tasmanian tiger, some people use drones and other gadgets, others stealth but one scientist isn't content to wait for one to be found: he intends to bring them back from the dead with technology.

From electronic pet trackers, paying cyclists to commute to work and driverless cars, Hobart City Council is floating some innovations to make it a smarter city. And, strangely, that could also mean Wi-Fi free zones.

Until 2012, Maria Island's animal inhabitants were living without any major predators. But when devils were introduced they had to adapt or die.

DAILY BRIEFING: Treasury modelling warns of net debt of more than $4 billion by 2033-34, and a plan to accommodate a bumper Sydney-to-Hobart fleet this year at Constitution Dock hits a snag.

Lukina Lukin has fought her way to the top of Australia's lucrative southern bluefin tuna industry in a classic rags-to-riches tale of survival and success.

The remains of 12,000 World War I diggers are believed to be buried in unmarked graves not at Gallipoli or the fields of Flanders, but in suburban cemeteries across Australia.

Ground-penetrating radar technology has discovered multiple unmarked graves at an old Aboriginal mission cemetery in south-west Victoria.

A council in South Australia's Riverland is working to recognise the final resting places of people whose graves were unmarked because of the stigma of suicide at the time.

Visitors are travelling to outback South Australia for tours of the former atomic testing site, but traditional owners want to see the narrative refocused to tell their story.

Thousands of scientists and soldiers once lived at the Maralinga nuclear site, but now it's home to just three people who are in love with the country.

Finding the seal that is tangled in fishing line is the easy part for the Marine Response Unit, but helping the animal while staying safe from the rest of its colony is much more difficult.