Australia has successfully hatched its first shark born via artificial insemination with hopes that the development can ultimately be used to help breed threatened species.
The only known specimen of the first official banknote issued in Australia, uncovered in Scotland, is expected to fetch at least Aus$250,000 (US$224,000) at an auction in Sydney this month.
The steam and heat from volcanoes allowed species of plants and animals to survive past ice ages, a study showed Tuesday, offering help for scientists dealing with climate change.
US tech giant Apple was Thursday accused of shifting nearly Aus$9 billion (US$8.1 billion) in untaxed profits from its Australian operations to Ireland over the past decade.
Time is running out for Australia's iconic Great Barrier Reef, with climate change set to wreck irreversible damage by 2030 unless immediate action is taken.
The Red Cross said Tuesday that an agreement with Pacific island nations designed to stop bureaucracy hampering disaster relief would save lives in emergencies.
Young, elderly and pregnant residents of a Australian town cloaked in smoke from a coal mine ablaze for three weeks were Friday urged to leave over mounting air quality concerns.
Struggling Australian carrier Qantas Thursday said it will axe 5,000 jobs, defer aircraft deliveries and freeze growth at Asian offshoot Jetstar in a major shake-up after deep first-half losses, warning of more pain to come.
She might be one of the most powerful women in the world but that didn't wash with security at the G20 in Sydney who reportedly asked Janet Yellen to show her ID.
Australian police said Friday they had arrested and X-rayed a man over the theft of a pink diamond worth more than US$180,000, with fears he had swallowed the rare jewel.
US Treasury Secretary Jacob Lew described taxation reform as among the G20's most crucial initiatives Friday as the world's major economies look to close loopholes used by huge multinational firms.
The world's only captive leopard seal, which washed up in Sydney with a shark bite to his abdomen seven years ago, has been put down at an Australian zoo.
Prime Minister Tony Abbott Thursday said he will not succumb to "moral blackmail" over an Australian detention centre on Papua New Guinea, as graphic witness accounts of recent violence told of "blood everywhere".
Australian Treasurer Joe Hockey said Wednesday it was "hugely important" that G20 leaders agree to faster global growth targets when they meet in Sydney this weekend.
PM Tony Abbott admitted Australia has failed to meet important targets on Aboriginal life expectancy, education and employment, but insisted progress has been made in other areas.
Toyota on Monday said it will stop making cars in Australia in less than four years, banging the final nail in the coffin of country's auto industry, despite appeals to stay by Prime Minister Tony Abbott.