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Sydneysiders will be afforded a break from sleepless nights as overnight temperatures drop this week, though they are far from cold - remaining in the low 20s celsuis.

More used to marching penguins, it was a different kind of movement that swept across one of the most remote places on the planet in recent hours.

How tiny Huonville does well by doing good on the environment front.

The man also used the animal's carcass to threaten passers-by in a bizarre act of animal cruelty.

Just moments after President Donald Trump took the oath of office on Friday, the official White House website was transformed to wipe out all mention of climate change.

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Damaging winds pass Canberra by with severe thunderstorm warning cancelled.

An adorable baby red panda who suffered horrific neck injuries has a second lease on life thanks to a cuddly toy and a Sydney zookeeper.

A large fire swallowed more than 3300 hectares as it burned east from Lake George on Tuesday afternoon.

Sydneysiders have endured yet another sticky, stifling night of summer, with the temperature not dipping below 28 degrees in the city all night.

An analysis of more than a decade of Australian bites and stings has found that the bee poses the biggest public health threat.

Climate change will result in higher humidity and more severe rainstorms, according to new Australian research.

Questions about sharks in Victoria that you probably have wondered about at some point, but never found the answers to.

After a reprieve from extreme heat on Sunday, Sydney is in for one hot night on Tuesday.

ActewAGL and SES crews were on Sunday still cleaning up damage from Friday's freak windstorm.

It dropped the temperature nine degrees in nine minutes and now a major clean-up is underway in the capital after Friday's freak windstorm.

You're not wrong: Sydney has just tossed and turned through a night of "quite exceptional" heat.

As NSW residents yet again brace themselves for scorching heat with the mercury set to rise above 40c, authorities have issued a total fire ban across most of the state.

After a warm night, Melbourne woke up to light rain on Friday, a little taster of the heavier falls expected later on.

Energy giant AGL has been fined $124,000 in the NSW Land and Environment Court for failing to disclose political donations when making planning applications in the state.

A woman in Switzerland has been refused citizenship, and therefore a passport, because her "annoying" vegan campaigning has rubbed her neighbours up the wrong way.

Power cuts, sizzled tennis players and runaway grassfires featured in another scorching summer's day in and around Sydney, with only a limited respite before the heat returns.

Sydneysiders are in for a roasting as high temperatures combine with rising humidity to make for an exceptionally uncomfortable day.

It was a tough call as to who had the more enviable job. The answer depended which end of a large and potentially dangerous predator you would rather be working on: the head (read canine teeth) or the tail (read anal gland).

A spectacular cloud formation captured during a flight over the Great Australian Bight has delighted weather enthusiasts and enraged conspiracy theorists.

Health authorities have warned Sydneysiders to be on alert as the baking sun sends temperatures and ozone levels soaring and triggers a total fire ban.

One hundred and thirty-seven years ago, well before the Calaveras North Grove was purchased by the California State Park System and renamed the Calaveras Big Trees State Park, the land's owners carved an enormous hole in the base of one of its sequoia trees. On Sunday, that tree fell.