Are you as smart as an owl? Prove it in our quiz on animal calls
Our native fauna make some awesome calls. Many, such as the magpie, we hear everyday while others, like the koala, are less common. How many can you identify in our quiz?
What's your favourite animal call? How about the song of the humpback?
Squawks, creaky doors, trills, bellows and a lot of grunts — our wildlife makes some bizarre and beguiling noises. But which one should get the shout-out as Australia's favourite animal sound? It's time to make a call.
Scientists stumped by critically endangered hooded plover spotted 850km north of its usual habitat
Exactly what the juvenile bird — dubbed T7 — was up to on his holiday on the NSW North Coast remains a mystery. But conservationists say its epic journey can teach us a lesson on how to better protect the species.
Scientists successfully reintroduce locally extinct mammals to safe fenced-in zones
Species which once roamed freely now thrive in a fenced-in safe haven created in Sturt National Park, part of one of the world's biggest mammal reintroduction projects.
Mid-winter temperatures in South America rival those of the baking northern hemisphere summer
Winter temperatures have neared 40 degrees Celsius in parts of South America, which is up to 20C higher than normal for this time of year and the equivalent of Sydney hitting 35C in the first week of August.
Bel has so little household waste she's ditched her red bin. She shares some simple tips
Professional garbologist Bel has so little landfill waste she's ditched her red bin. Here's how she did it.
Could this 'colossal Peruvian whale' be the biggest animal ever on Earth?
Italian researchers estimate Perucetus, or "colossal Peruvian whale", was about 20 metres long and weighed up to 340 tonnes, a mass greater than the blue whale and the largest dinosaurs.
Latest Science news
Mother and daughter will make history when they head to space this week
The pair will be the first mother and daughter and first from the Caribbean in space next week on a commercial voyage.
Will your Sunday roast really be carbon neutral by 2030?
The red meat industry concedes it could fall short of its ambitious target, but insists it still has seven years and a solid plan to get there.
analysis
analysis:If Tasmanians end up paying too much for the Marinus Link energy cable, Rockliff could find himself out of power
The Tasmanian government didn't have to listen to Marinus Link critics when they were only environmentalists and energy market experts, but now there are critics premier Jeremy Rockliff can't ignore, write Laura Beavis.
Power company apologises after community 'blindsided' by removal of 130-year-old tree
A landmark tree that has guarded Morundah's pub for more than a century has been cut down by Essential Energy — and residents are not happy.
Fire ants winning battle against eradication due to 'bureaucratic delays', environment group says
The Invasive Species Council says delays to the rollout of funding may be "catastrophic" for fire ant eradication efforts, based on its analysis of leaked government documents.
How a 'pretty ordinary' bloke with a passion for Saturn is contributing to astronomy with 'first-class' research
Retired mine worker Trevor Barry, who has been observing Saturn from his own backyard with the observatory he built himself, is only the second Australian to win the highest possible accolade for amateur astronomy.
Analysts say mounting problems mean Australia will fall well short of 2030 renewable energy target
Australia has ambitious plans to generate more than 80 per cent of its power from renewable sources by 2030. But a growing number of experts say the country is way behind where it should be.
Are humpbacks trying to talk to whale watchers when they slap the surface? That's one theory
A marine biologist sheds light on the behaviour of humpback whales migrating north along Western Australia's coast, but admits there's still a lot we don't know about these magnificent mammals.
NASA restores contact with missing Voyager 2 spacecraft after weeks of silence
Voyager 2 was exploring interstellar space 19 billion kilometres away from Earth when an erroneous command caused it to tilt its antenna way from earth.
Surrounded by great whites and 40m cliffs, this sacred island is overrun with rabbits
A small island in the Southern Ocean is being torn apart by the relentless burrowing and foraging of rabbits, and they're threatening the island's native seabird population.
Latest science video
Duration: 4 minutes 4 seconds
Duration: 2 minutes 4 seconds
Duration: 26 seconds
Duration: 1 minute 46 seconds
Duration: 3 minutes 9 seconds
Duration: 1 minute 20 seconds
Duration: 5 minutes 11 seconds
Duration: 1 minute 57 seconds