Beneath the surface of our planet lie two gigantic ‘rock blobs’ that are 100 times taller than Mount Everest and could be the remains of an alien world

Prime Minister Scott Morrison will isolate for a week after developing a fever and testing positive to Covid-19, while it’s back to work for the Queen

It’s normal to feel worried about all the bad news in the world right now. Childhood expert Dr Joe Tucci has some great tips for dealing with your feelings

Keepers had to recapture a large alligator that tried to make his escape from a NSW wildlife park during flooding rain. WATCH THE VIDEO

Corals born during an innovative IVF project have reached maturity in time for a reproductive rush at the Great Barrier Reef’s annual mass spawning event

Dreams of the perfect Aussie summer have been dashed as La Niña starts to lash eastern states with rain, wind and cold

Kangaroo Island assassin spiders have been found alive almost two years after bushfires were feared to have wiped them out

Keen photographers made the most of Aurora Australis in the night skies over Victoria – a rare, beautiful sight invisible to the naked eye

The winners of the Kids News Bushfire Poetry Competition have had their poems included in the book Fighting Spirit: A tribute to the bushfire-affected communities of Australia’s Black Summer

Without tourist trade keeping taxi fares ticking over in the Thai capital, one Bangkok cab company has devised a novel solution to help feed its unemployed drivers

Fishing fleets will hunt for hundreds of shipwrecks off the Victorian coast in a new push to preserve Australia’s maritime history

The Great Barrier Reef has gone through an important period of recovery, spared the impact of heatwaves and tropical cyclones over the past year

Big Ronny the scrub python is in lockdown in Sydney, but the whopper reptile will ‘shake it off’ by shedding his skin just in time for World Snake Day

Year 7 students in SA have begun testing robotic rubbish collectors in the school pool, with their sights set on one day cleaning up waste-filled water worldwide

Despite headlines of an ‘arachnid apocalypse’ and startling images of cobwebs blanketing country Victoria, locals and experts alike are mesmerised by the spiders’ ingenious survival technique

Death Valley is no longer the hottest place on Earth, according to scientists who have found two even hotter places. We look at how Australia’s hottest places compare

An iceberg 170km long, 25km wide and the largest of its kind in the world has broken off Antarctica. It formed as scientists reported the previous largest iceberg had broken up and melted

We all know bees make honey, but their importance in Australia extends far beyond producing a beloved breakfast spread

Zookeeper and bushfire survivor Chad Staples says showcasing native creatures in the Great Aussie Coin Hunt is “so important” for conservation awareness

Nepalese Sherpa Kami Rita has set a new record for the most Everest ascents, reaching the summit of the world’s highest peak for the 25th time

Scientists have found a spooky-looking, bloodsucking, critically endangered native fish in record numbers in the Murray River system, which is great news for the environment and lamprey fish

Phillip Island’s little penguins are small but mighty adaptable, according to a new scientific study using custom-made ‘fitbits’.

A photo titled The Landscape of Fear and showing a volcano erupting within an incredible electrical storm has won first prize in a global photography contest. See some of our favourite photos

The recent floods in NSW have brought more than just record rainfall – and bloodthirsty leeches are loving it

Archie Cross has displayed courage beyond his 13 years, rescuing about 10 residents and a handful of pets from their flooded homes in NSW with his little fishing boat

Australian poet Dorothea MacKellar surely nailed it when she wrote her classic poem My Country in 1904. Mark Knight reflects on how it sums up this land of amazing contrasts

A new photography competition named for famous Australian photographer, adventurer and explorer Frank Hurley has attracted more than 1200 entries from 26 countries

Mount Etna, Europe’s most active volcano, has awed even experienced volcanologists, pumping out spectacular displays of lava, ash and volcanic rocks for more than a week

A microphone on NASA’s Perseverance rover has recorded for the first time the sound of another planet. It’s hoped there will be more to hear from Mars soon as the rover gets to work

Mark Knight chooses a favourite cartoon from 2020 and explains the process of starting with a news event, gathering ideas and working towards a drawing to tell even more of the story

This summer, Australian scientists will use a crew of sniffer dogs led by Bear, a border collie and Australian cattle dog cross, to find and rescue any koalas in danger from bushfires

Scientists have calculated just how cold it got on Earth during the coldest part of the last Ice Age, using ocean plankton fossils and climate models

One of the hottest air temperatures recorded anywhere on Earth in at least a century, and possibly ever, was reached on Sunday afternoon at Death Valley in the US, where it soared to 54.4C

Indonesia’s Mount Sinabung has erupted, sending ash 5km into the sky. It’s the latest eruption along the 40,000km-long line of volcanoes, faults and trenches called the Pacific Ring of Fire

Divers are using the quiet pandemic period to grow and replant coral at popular tourist diving and snorkelling spots on the Great Barrier Reef.

A 7m-long procession of caterpillars parading through Alice Springs is fascinating and touching them dangerous, but to the Arrernte people, it can be a sign of a harsh winter on the way

The leaves on deciduous trees turn forests, parks and gardens a rainbow of yellows, oranges, reds and browns. Why do leaves change colour? And why do the trees let them fall?

The temperature in northern Antarctica has hit 18.3C, thought to be a heat record on the continent best known for snow, ice and penguins

Sydney has been plunged into chaos after the biggest rain event in 30 years sparked floods, home evacuations, traffic delays, power outages and landslides

A raging megablaze has burnt one-fifth of the Australian Capital Territory as out-of-control bushfires also continue to threaten homes in NSW and Victoria

Astronauts on the International Space Station have taken delivery of super-muscled mice, pest-killing worms and a robot that can sense how the astronauts are feeling

Seaweed piled high on Queensland beaches has trapped at least one runner, who had to be rescued from the algae. While seaweed is not unusual, people have never seen so much at once

A Code Red fire danger day has been declared in Victoria for the first time in 10 years as the entire country swelters through heatwave conditions and fires continue to burn

In our weekly series, award-winning cartoonist Mark Knight captures the helplessness of drought-affected Australian communities now caught in the path of catastrophic bushfires

Ice eggs the size of footballs have engulfed an entire beach in Finland in a rare weather event that requires ice, wind, water and freezing temperatures

Rainbows, aurora australis and massive, fluffy clouds that make you want to bounce on them star in the year’s best weather photos, as judged by the Bureau of Meteorology

Tenterfield — battling drought and, recently, bushfires — has struck it lucky with the discovery of underground water only 126 days before the town’s supply was due to run dry

In our weekly series, Mark Knight explains why he used classic composer Vivaldi as inspiration for how different the four seasons and the weather is becoming in Australia

A rare moonbow has appeared in the South Australian sky in the middle of the night and been caught on camera. We look at how they form and why seeing one is very special

‘Hurricane Hunters’ have taken an incredible photo from inside the eye of Dorian, which has hit the Bahamas and is now heading for the US, where people are doing their best to prepare

With poetry, moments of silence and political speeches about the urgent need to fight climate change, Iceland bade goodbye to its first extinct glacier