Ukraine authorities say Russia is bringing in military equipment from its annexed territory of Crimea, and that shelling is spanning the breadth of the country. Follow live.

Explosions, artillery fire and air raid sirens are heard in the Ukraine capital Kyiv, as Ukraine's military claims to have shot down five Russian aircraft, a claim Russia denies.

Prime Minister Scott Morrison says further punishment will be laid on Russia for its "brutal" and "illegal" invasion of Ukraine.

Senior NSW government bureaucrats were discussing the potential of a two-week shutdown of NSW's passenger train network as early as last week, documents obtained by the ABC reveal.

If you are looking for a let up in the rain, don't think the end of summer is going to save you. There are still two months of the wet season left to run and autumn is looking wet.

China's new ambassador says his appointment is a "symbol" from Beijing that it wants to reopen communication channels with Australia, after a long freeze.

Ukraine's UN ambassador condemns his Russian counterpart in blistering speech at a late-night emergency Security Council meeting on the Russia-Ukraine crisis held has Vladimir Putin announced his military operation.

Following months of warnings from the US and allies, Russian President Vladimir Putin has finally pulled the trigger on a military invasion in Ukraine. Here's what you need to know. 

The Australian share market suffered its worst trading session in almost 18 months as Russia commenced its attack on Ukraine, plummeting by 3 per cent, writes David Taylor.

As allies begin to respond to Russia's invasion of Ukraine, the question is fast becoming what kind of support countries will send to help it defend itself. Here's what Australia will, and won't, be doing.

Vladimir Putin has authorised Russian troops to carry out a "special military operation" in Ukraine's Donbas region. US Pentagon press secretary says Russian forces are "ready to go".

Australian tennis entertainer Nick Kyrgios opens up on battling serious depression in a raw post on social media.

The Northern Territory Supreme Court hears that simulated experiments show a single blade of the scissors likely penetrated Constable Zachary Rolfe's police uniform when he was stabbed in the shoulder by Kumanjayi Walker.

The western United States, northern Siberia, central India, and eastern Australia are already seeing more blazes, and the likelihood of catastrophic wildfires globally could increase by a third by 2050, according to a UN report.

One of the poorest countries on Earth is paying a heavy price for the world's green energy revolution.

Evidence appears to back a police theory that missing Belgian backpacker tried to climb a steep slope near Cape Byron.

Data-wiping malware is detected on computers across Ukraine, with cyber attacks downing government websites and impacting banks.

In the wake of Germany suspending the Nord Stream 2 project, the United States has now imposed sanctions on the company in charge of the natural gas pipeline. These are the key things to understand about the project and its strategic import...

The Liberals at state and federal level are going head to head in court in a long-running battle over preselections – so what it's all about?

A 23-year-old Canberra man is refused bail, citing his risk to the community, after he allegedly attacked a girl as she was riding her bike home from school.

The Nationals-led Senate review recommends such products shouldn't use words like "beef" and "chicken", but critics question whether it's been a valid use of time and taxpayer money. 

United Australia Party chairman Clive Palmer is being tested for COVID-19 after being taken to a Queensland hospital with symptoms.

Researchers using a decades-old recipe unveil the first COVID vaccine to forego patents and allow drug makers around the world to reproduce it for free, a potential game changer for countries where vaccination rates are behind target. ...

A 7-square-metre "microflat" inside a converted terrace house in east London — that's as big as two queen-sized beds — sells at auction for $168,000 after an online bidding war erupted.

Verges and parks in Alice Springs are left overgrown thanks to an ongoing public liability dispute between the council and government, leaving a perfect hiding spot for western brown snakes after recent summer rain.