Sea ice responds to changes in winds and ocean currents, sometimes with origins thousands of kilometres away.
Antarctic sea ice cover fell to an all-time low recently and hasn't yet recovered. Why? The initial answers could lie in an unlikely place – the tropics.
Crises in the Darling River have raised questions about cotton and rice farming in the Murray Darling Basin.
Mass fish deaths are a blaring warning sign for the heath of the Murray Darling Basin, but just as worrying is the sight of dry areas in the Darling.
Summer is here and the chance of blackouts is higher than normal. But the cause is unlikely to be the power station. The problem is usually much closer to home – in the local poles and wires.
Public confidence in the institutions in charge of the Murray Darling Basin has plummeted – with good reason.
Hundreds of thousands of fish have died in low-oxygen water. Here's what actually happened to the oxygen, and why we might see more deaths in the coming weeks.
Vets treat largely treat injured wildlife for free, whenever they have time.
Algae blooms have killed hundreds of thousands of fish in the last two weeks, but what exactly are they and how do we get them under control?
2018 was Australia’s third warmest year on record, as the NSW drought dragged into another year.
Ants have something similar to blood, but it's called haemolymph. Some insects use it in unusual ways. When threatened by a predator, blister beetles can squirt haemolymph from their knees.
Energy companies offer thousands of different prices, making finding the best deal all but impossible.
Travel can come with danger, so dogs have mostly evolved to avoid being over-adventurous. That said, dogs may see some kinds of travel as a chance to find things they want -- like food or a mate.
Studies show the presence of natural living things in homes improve wellbeing. So why not have your own version of a Christmas tree all year round?
One in five beachgoers has been injured by litter, with the most common incidents involving cuts and scrapes - but also including fractures, burns, poisonings and even blindness. So be careful out there.
Don't let your dog's poo go to landfill and contribute to our waste problem - compost it instead.
Heading off on a bushwalk in a national park over the summer break? Don't be tempted to bushwhack it. Research shows many walkers don't realise the danger of straying off the beaten track.
Hydrogen peroxide is a chemical that can kill germs. It is found in two things many ants love to eat: nectar and honey dew.
Fifty years ago people saw our planet from the outside for the first time.
Yeah, we get it – environment news can be depressing. So here are ten uplifting stories from 2018 that prove it's not all doom and gloom out there in the natural world. Happy reading!
Australia is facing an increase in extreme heat, fire danger weather, floods and marine heatwaves, according to the latest biennial snapshot from the Bureau of Meteorology and CSIRO.
In the cold southern oceans, underwater mountains support deep-sea reefs.