Australians will now be able to receive a Moderna or a Pfizer booster shot five months after their last vaccination after new evidence showing immunity to the Omicron variant waning six months after a second dose.

Booster shots of Pfizer and Moderna are available for anyone who has been fully vaccinated for at least five months. Here's what you need to know about the latest changes. 

In the ranges behind Cairns, bushland is being cleared in the name of climate action. It's pitting eco warriors against green energy projects.

Will Australia's inflation-targeting regime need a reboot on the other side of the pandemic?

Tempers flare as players from both sides scuffle, before South East Melbourne Phoenix ice a 94-86 triumph over the defending champions.

Shaun Ferguson shares his experience of what happened after he visited a pet and plant store that later became a high-risk COVID-19 exposure site. 

As more jurisdictions ease their domestic border restrictions this week, each state and territory's rules and restrictions are different. Here's a guide to what rules are in place around the country.

NSW Health reports a person is hospitalised after contracting the Omicron variant — the first since the new strain landed in Australia.

Premier Annastacia Palaszczuk says Queensland is reopening "on our terms". When that finally happens in less than 24 hours, here are the roadmap details you'll need to bear in mind.

Queensland has recorded just one case of COVID-19, hours ahead of the much-anticipated border reopening to the rest of Australia.

Thousands-strong crowds gather to protest, many holding signs and chanting slogans against vaccine rules.

Russian troops on the Ukraine border, an Olympics boycott, a "missing" tennis star: What century is this? Close your eyes and it is the 1980s again, writes Stan Grant. 

Mobile phone reception remains cut to a small town in Tasmania's north-west after a bushfire damaged telecommunications infrastructure.

The governments of Australia, the US and Japan say the proposed cable will provide high quality and more reliable internet access to about 100,000 people.

A publicist who has represented Kanye West visits a frightened Georgia election worker who was facing death threats after being falsely accused by former US president Donald Trump of manipulating votes. Part of their meeting was captured on...

The Northern Territory records three more local COVID-19 cases overnight, including in a four-year-old boy, as a 72-hour mask mandate comes into place in Tennant Creek and five remote communities after positive wastewater results.

Police are appealing for information after confirming a fire that ripped through Western Australia's world-famous wine and surfing region was deliberately lit. 

Julianna Peña stops Brazilian legend Amanda Nunes by submission in the second round at UFC 269 in Las Vegas, while Australian heavyweight Tai Tuivasa adds another victory his growing tally.

It's a facility that's supposed to rehabilitate young men caught breaking the law, but instead, former workers say the Malmsbury Youth Justice Centre's hardline approach is causing irreversible physical and mental harm. 

Test results confirm two cases of COVID-19 recorded in South Australia are the Omicron variant. 

When Sydney's Kirby Institute pitted an Omicron sample against the antibodies of two vaccine doses, they couldn't block it — but there's still much to learn about the newest COVID-19 variant. 

New Caledonians will have their say on whether they want independence from France with the third and final referendum today — only this time, pro-independence supporters aren't planning to show up.

Australia's Beijing 2022 Winter Olympic preparation ramps up with four FIS World Cup medals won in a single day by Danielle Scott, Laura Peel, Belle Brockhoff and Jakara Anthony.

A monstrous tornado, carving a track that could rival the longest on record, rips through the middle of the US in a storm front killing dozens as it tears apart homes and buildings.

On Monday, West Australian Premier Mark McGowan is expected to reveal the date the state will reopen to the rest of the world. But, for now, the state's strict travel rules are being enforced as stringently as ever.