Australia’s worst maritime tragedy created an 80-year mystery – but after 15 years of DNA testing, the Unknown Sailor has been identified at last

Authorities in the Indian capital of New Delhi have ordered the closure of schools and coal-burning power plants after air pollution reached more than 30 times the World Health Organisation’s recommended maximum

Australia’s emerging space program has had an exciting win with the successful launch of Black Sky Aerospace’s first rocket

Whether terms like ‘sportsmanship’ and ‘man on’ are discriminatory has sparked gender debate in physical education

Not even Sesame Street’s fictional feathered friends are safe on social media, as Big Bird’s Covid jab sets off US Senator Ted Cruz

Baleen whales are gigantic climate change crusaders, thanks to their huge hunger for krill – now they just need their own natural environment restored

One of the first maremma sheepdogs specially trained to watch over the penguins of Middle Island – just like in the movie Oddball – has died at the age of 13

A battle of nature against the machine saw one riled up raven attempt to rumble a delivery drone in the skies above Canberra

Spectacular infra-red images of Jupiter’s atmosphere taken by NASA’s Juno spacecraft have been revealed as fresh data shows the Great Red Spot storm extends hundreds of kilometres below its clouds

The world’s extraterrestrial search community was sent into a frenzy when Australia’s famous Parkes radio telescope picked up a surprise signal from beyond our solar system

Humans have sped up evolution in Mozambique where ivory hunters have caused an increase in the proportion of female elephants born without tusks

As the International Space Station heads towards retirement age, billionaire Jeff Bezos’ space company Blue Origin has announced its hopes of building a futuristic space station for business

The UN has issued a strong challenge to global leaders ahead of the COP26 summit, warning that greenhouse gas levels remain too high to meet temperature targets

An Australian researcher wants toy shops to go gender neutral to help girls and boys break free of traditional gender roles when choosing jobs as adults

Satellite imagery shows molten rock has extended the size of La Palma’s western shore as volcanic eruptions continue

Lego has pledged to remove gender bias from its product range after an international study finds stereotypes persist

A spacecraft will deliberately collide with an asteroid in space as part of a NASA defence technique to protect Earth from impact

Kids, schools and communities are being challenged to spread small acts of kindness while walking 382,000km – the distance from Earth to the moon – between now and World Kindness Day

Russian movie star Yulia Peresild has beaten Hollywood heavyweight Tom Cruise into orbit, safely docking at the International Space Station to star in the first film shot in space

Cloud cover generated by a turbine is helping cool conditions and reduce coral bleaching on the Great Barrier Reef

Queensland’s spectacular Fraser Island, the world’s largest sand island, is to be renamed K’gari, the word for “paradise” in the language of the area’s traditional owners

Canadian Palaeontologists have discovered a 506-million-year-old marine fossil – a giant in its day that stalked prey along the ocean floor

Tourists and residents have been safely evacuated from affected areas of Spain’s Canary Islands after the region’s first volcanic eruption in 50 years

A civilian crew has made history in space after successfully orbiting Earth for three days without a single astronaut on board

Scientists have announced an ambitious plan to bring woolly mammoths back from extinction after thousands of years

The Allen Coral Atlas delivers the first-ever detailed, digital map of global coral for conservationists and ocean lovers the world over

Toddlers appreciate treats while toilet-training – and a new study has found calves like being rewarded for going in the right place too, clearing the path for lowering the climate cost of bovines

Beating Covid-19 is a bit like a drag car race between the vaccine and the Delta variant, according to cartoonist Mark Knight

NASA’s Mars rover Perseverance has successfully collected a rock sample from the Red Planet, while China follows up its own Mars mission with a new prototype

NSW Environment Minister Matt Kean marked Threatened Species Day by announcing a bold plan to end extinction fears for Australia’s best loved fauna and flora

They are covered by oceans and much bigger and hotter than Earth, but astronomers believe a new class of planet, called hycean planets, could be the key to finding alien life

If the 2021 Grand Final must go to Perth, the AFL boss and cup might as well travel in style in the famous “batmobile” from 1991, according to cartoonist Mark Knight

China has announced strict new time limits on kids playing video games, including banning online gaming altogether on school days

When it comes to pocket money, one gender gets more than the other – and the Aussie kids given the most cash are also revealed

The 43-million-year-old fossil of a fierce, four-legged whale species has been named after the ancient Egyptian god of death

Heritage is more than just buildings and other things we can see from the past, with a local council recognising the heritage value of the smell of Vegemite being made at an old Kraft factory

Australian primary school students should pat themselves on the back, as 2021 NAPLAN results suggest pandemic disruptions have not hampered performance

Ditching hotdogs and burgers from our diet could add up to extra time enjoying a healthy life, with a new study counting the minutes lost or gained from eating thousands of food items

Some states are adopting official fossils to join their traditional animal and flora emblems. See what relics are in the running to become the official fossil of Victoria

The closure of Melbourne’s playgrounds to combat Covid-19 reminded cartoonist Mark Knight of being labelled the Fun Police when he used to tell his kids it was time to go home

New research has found that apes have a system of good manners that includes polite practices like saying hello and goodbye

NASA’s Osiris-Rex spacecraft is heading home after its mission to collect asteroid samples has helped scientists better understand one of the most hazardous space rocks in our solar system

Cartoonist Mark Knight couldn’t resist comparing Australia’s first drive through Covid-19 vaccination centre with fast good favourite Maccas

Just two hours on a screen is enough to cause health problems in girls, a new global study has found. But it’s a slightly different story when it comes to boys

The story of our nation is updated every five years at Census time – and what a strange chapter this one promises to be as people around Australia continue to live, work and learn through Covid

It has been 15 years since Pluto was demoted to dwarf planet status, but some of us who grew up counting nine planets in our solar system are having a hard time letting go

A new study suggests that as our planet slowed and daylight grew longer, one very smelly bacteria soaked up the light and started producing the oxygen needed for life on Earth

Cartoonist Mark Knight believes new sports like BMX freestyle have fitted right in at the Tokyo Olympic Games

Scientists have called for a ban on idling car engines during school pick-ups, warning the pollution is damaging children’s health

Buried beneath 5m of clay, archaeologists have made the incredible discovery of a 2200-year-old Egyptian shipwreck

Kaylee McKeown made all of Australia proud with her gold medal backstroke swim, but she had one special person on her mind after her victory

Sulphur-crested cockatoos have emerged as expert foragers, as a new international study tracks them opening bin lids all over Sydney using their tailor-made technique

The Great Barrier Reef will not immediately be added to the World Heritage Committee’s ‘in danger’ list but the government must show enough is being done to protect the natural wonder

Australian children aged 12 to 16 are set to get Covid-19 vaccinations after the country’s drug regulator gave the green light to Pfizer

Scientists are testing fitting koalas with mini solar panels that would allow them to be tracked and rescued from the path of bushfires

Four new ‘teenage’ planets have been found beyond our solar system by a team of international astrophysicists including from the University of Southern Queensland

The Gould’s mouse hasn’t been seen on the Australian mainland for more than 160 years but a surprise discovery has revealed it is still living on an island off the coast of Western Australia

A degree in quantum physics is nothing compared to the bold ambition of this child genius – just don’t call him ‘Young Einstein’

Thrill-seeking billionaire Sir Richard Branson has reached space aboard his Virgin Galactic spacecraft in a mission that has brought space tourism a step closer

The human species’ family tree has sprouted a new branch, with the discovery in China of the ‘Dragon Man’, thought by experts to be a nearer relative to Homo sapiens than Neanderthals

A new astronomical study has flipped the practice of looking out at our galaxy by asking who might be looking in

Scientists are reconsidering where humans came from after the discovery in Israel of fossilised bones of a new ancient human known as Nesher Ramla Homo

The United Nations has recommended the Great Barrier Reef be listed as 'in danger' but the federal government is fighting the move

It's been a busy week in space as astronauts at the International Space Station install new solar panels and three Chinese astronauts step aboard China’s module for a historic three-month stay

A world-first, global “flying car” Grand Prix series is planned after the success of tests in the South Australian outback

Though we are in a pandemic, the annual Big Freeze event reminds Mark Knight that there are other medical battles being fought that also deserve our attention

Why do predators sometimes overlook a seemingly easy meal in the wild? Australian scientists have answered the question with the help of robotic lizards

After more than a year on the move, the antics of a Chinese herd of elephants are proving irresistible to social and world media

A footy oval has been transformed into a green grassy oasis in a remote Northern Territory town in a project led by the Melbourne Football Club

A radical – indeed radioactive – scientific solution has begun in South Africa to save the rhino species by deterring poachers

When China introduced the one-child policy in 1979 it was to prevent a population explosion, but now more babies are needed

They have thrilled us on the field, track, court and in the pool, but the achievements of these Indigenous athletes go beyond sport

Aussie teenage climate activists have lost their court bid to stop a NSW mine expansion, but ‘duty of care’ ruling declared a win

Researchers from Newcastle University in the UK discover a link in brain processes that could help people who can’t stand certain sounds

The first lunar eclipse of 2021 is going to happen on May 26. This is going to be a super lunar event with a supermoon, a lunar eclipse and a red blood moon all at once. Here’s how it happens

Researchers believe migrating sharks use the Earth’s magnetic field as a sort of natural GPS to help them navigate the world’s oceans

The mouse plague overrunning eastern Australia has tormented those in its path for so long even a usually energetic ginger cat called Hank no longer bothers to chase the pesky rodents

The 2021 Baby Names Report is out, which analyses trends over the past decade. For the eighth time in 10 years, Charlotte is the top girls’ name with Oliver also consistently number one for boys

Scientists have trained bees to identify COVID-19 in test samples, providing results almost instantly instead of waiting hours for regular test results to come through

Researchers have used modern technology to find a carved marker tree used by explorers during an 1891 expedition in the South Australia outback

Playing tricks can relieve stress and raise a smile – and kids who share their funniest prank could end up with a character named after them in the next Funny Kid book!

With only an estimated 80 Sumatran rhinos left in the wild, the results of a new study deliver welcome hope for the survival of the species.

Bugs like witchetty grubs, bogong moths and green tree ants could soon be on Australian dinner plates under a plan to grow our edible insect industry

US astronaut Michael Collins, who piloted the Apollo 11 command module while Neil Armstrong and Buzz Aldrin became the first people to walk on the Moon, has died aged 90

A new scientific study has found as little as 3 per cent of the world’s land surfaces are still home to their full range of native species and remain unspoilt by human activity

Visual metaphors can help illustrate complex political situations. With air travel to India ceasing suddenly due to the coronavirus disaster there, Mark Knight needed an aviation metaphor

Imagine 40 days in a cave without light, clocks or technology. That’s what a group of 15 volunteers has done for a scientific experiment in France

A study of Australian sporting participation records shows an increase in the number of girls playing club sports traditionally played by boys, but fewer boys aged 5-14 are playing sport

The first female in Australia’s wheelchair rugby team hopes to compete at the Tokyo Paralympics and fulfil her childhood dream

If it scares you to think about one bus-sized T-rex rampaging across the land, what about 2.5 billion of them? New tyrannosaur research has suggested there were 20,000 alive at a time during their reign

Two Australian parents have invented an app that asks kids a maths or English problem before they can unlock their phones.

Crayola has teamed up with MAC Cosmetics to create a range of racially inclusive crayons, pencils and textas.

Time is running out to get your questions in for author Susanne Gervay. You can also read a preview of her novel, Heroes of the Secret Underground, our April Book Club read

NASA’s experimental helicopter Ingenuity rose into the thin air above the dusty red surface of Mars on Monday, achieving the first powered flight by an aircraft on another planet

Artwork created by a robot called Sophia has sold at auction for an amount equivalent to more than $900,000, paid in the form of a non-fungible token, or NFT

Junior footballers could soon be wearing new hi-tech mouthguards fitted with data chips to monitor head knocks and concussions

Our women cricketers have achieved a level of excellence that places them at least alongside famous sporting teams such as the Invincibles. But are they the best of the best?