One of the nation's largest coal-fired power stations has had six failures of one of its units in the past three weeks, placing added strain on the power grid, and prompting a call for fossil-fuel plants to be set the same reliability standards being considered for renewable energy suppliers.

The volcano, named Havre, 1000 kilometres north-west of the country's North Island, was discovered in 2002.

The volcano, named Havre, 1000 kilometres north-west of the country's North Island, was discovered in 2002.

The volcano, named Havre, 1000 kilometres north-west of the country's North Island, was discovered in 2002.

The Swamp Park's general manager thought he was looking at trees sticking out of the water. Then he saw teeth.

Despoiling the environment risks triggering the collapse of civilisations, a threat that goes back at least as far as Greeks, new research by Australian-based scientists has revealed.

Brush turkeys are steadily moving out of the forests and into Sydney suburbs, with experts saying we will see an increase in urban areas.

One of Victoria's most-feared marine pests surfaces again in Wilsons Promontory, sparking a desperate push to eradicate it.

A record summer in Sydney and a series of early-season heatwaves helped make 2017 the city's thirstiest year since 2004, Sydney Water said.

A remarkable combination of astronomy and meteorology is bringing tidal floods to some low-lying regions along the coast.

Exposure to fine particulates from burning coal, vehicle exhausts and other pollution sources is linked to an increased risk of pre-term births, according to a study of more than 1 million Chinese births that included an Australian researcher.

A looming heatwave in early 2018 is unlikely to augur an exceptionally hot year for Australia as a weak La Nina in the Pacific will start to tilt the odds to relatively cool and wet conditions for much of the nation.

Sydney's Observatory Hill has witnessed a few storms over the years, and not all of them were meteorological.

Australia is set to round out one of its hottest years on record, leaving fire authorities pinning their hopes a La Nina in the Pacific will bring soaking rains before more heatwaves build through the summer.

Despite Donald Trump's dismissal of the Paris accord, action to address worsening climate threats has gathered pace globally.

The Bureau of Meteorology expects Sydney to be "cool and cloudy" on Christmas Day.

Vietnamese media are reporting the typhoon has been downgraded tropical depression and failed to make landfall in the country on Tuesday.

There is already a bee woman and a snake lady in her university course, but Samantha Bayly wants to be known as the ugly animal painter, depicting beasts that only "a mother could love".

A leading Australian inventor of solar technology has died at the age of 60.

Only 3 per cent of Australians rate the Turnbull government's response to climate change as "very good."

It's a rainy start to Christmas in Sydney, but the showers are expected to disappear after lunch.

Many farmers are seeking a way out as the country's appetite for dog meat declines.

​Sydney has sweltered through a scorcher but Santa is bringing a change with him for Christmas Day.

Sydneysiders sweltering through a hot and humid day can expect some relief in the early afternoon, when thunderstorms and a cool change are expected to come through.

For nine days, Bud was lost in Tasmania’s rugged Tarkine before he was found safe and well - if a little mangy-looking - and reunited with his owner.