It has been three weeks since the NT's last COVID-19 diagnosis and this weekend some Northern Territory parks will reopen.

When Professor Anna Ralph's six-year-old daughter starting asking about COVID-19, the infectious diseases specialist decided to write a children's book about finding a cure.

A 23-year-old man is lucky to be alive after being attacked by a 1.8 metre crocodile while fishing in Arnhem Land. Police say he managed to hold onto mangroves until the croc let go.

Category two patients in the NT will soon be able to get their long-awaited operations, but visitor restrictions will stay in place "for the foreseeable future", the Health Minister says.

Researchers say they've found early signs of a positive impact in the NT and health groups want the measure rolled out around the country, but an alcohol lobby group says the research is inconclusive.

From May 15, Territorians will be able to sweat it out at the gym, dine at a restaurants and get their nails done. And from June 5, they can get a tattoo or head to a nightclub.

Defence says it "proactively tested" members for COVID-19 in the Middle East after it was notified a number of locally engaged contractors had tested positive to COVID-19.

Northern Territorians are hitting the roads, pools and sportsgrounds in droves today, for the beginning of one of Australia's largest wind backs of coronavirus restrictions.

What's going on in Litchfield? When will Kakadu, Uluru, Nitmiluk and the West Macs open? Here's where you can and can't go as restrictions lift across the Territory.

Signs urging people to stay 1.5 metres apart mark the entrance to Litchfield National Park, and police patrols ensure the instructions are obeyed.

In Central Australia, butterflies have only several weeks in certain months to pollinate flowering plants in the desert region, making their presence there crucial.

Official data indicates no Aboriginal people in the NT have tested positive to COVID-19, and as restrictions start to ease, health leaders say it's time to address some of the fundamental holes in Aboriginal health care.

A man has surgery to reattach his fingers after he was bitten on the hand and arm by a crocodile while fishing near Darwin last night.

Lawyers for a former senior NT police officer facing rape allegations can access the identity of a whistleblower who complained about him, an NT Supreme Court judge rules.

New Zealand has aimed for elimination of SARS-CoV-2 — or as close as you can get.

There's growing debate about how we get out of this pandemic. Where is the off ramp and what's at the end of the slip road?

Developer of the human papilloma virus vaccine, Professor Ian Frazer, weighs in on the prospects of a coronavirus vaccine.

New modelling suggests the recurrence of COVID-19 will depend on human immunity to the virus, which remains an open question.

How much is SARS-CoV-2 mutating, and does it matter?

Twin studies allow researchers to study the impact of the environment, separate from genetics.  

The International Monetary Fund and the World Bank play a key role in aiding low- and middle-income countries during a pandemic.

While the death and disease threats from COVID 19 during the pandemic period are huge, the devastation to the global and local economies are also enormous and there's plenty of research to inform what the effects will be on health, wellbeing and life expectancy.

An increase in the diagnosis of cancers and their subsequent treatment could get caught up in the potential widening of health disparities in the community as a result of the coronavirus pandemic.

At the moment human vaccine trials are testing whether the vaccine is safe, what dose you need to induce a good antibody response and finally whether that antibody response is enough to prevent infection with this coronavirus. All that takes time.

Coronaviruses are well-studied in animals. What lessons does veterinary medicine have for this pandemic?

Last week, the US announced approval to use a drug named remdesivir, made by Gilead, in people sick with COVID-19.

Surf Life Saving NSW has changed its recommendations for CPR, with a focus on chest compressions instead of mouth-to-mouth.

There's evidence we've covered in the past that paracetamol isn't very effective in back pain. But what about so called non-steroidal anti-inflammatory drugs, NSAIDs, the most commonly used in Australia being ibuprofen?

Longstanding pain is a huge problem and doctors are trying to avoid opioids with all their problems, which could explain why a medication called Lyrica - the generic name is pregabalin - is one of the world's highest selling drugs.

Australia's next generation $20 banknote design continues to feature a portrait of John Flynn who pioneered the world's first aerial medical service in 1928, now known as the Royal Flying Doctor Service.

Innamincka, near the Queensland border, is used to floods of water and tourists and accessing healthcare can be a problem. Now, a new remote "self-service" telehealth clinic aims to change that.

As water supplies run low for towns reliant on the Darling River in western NSW, the Government says it has drought-proofed Broken Hill with a 270-kilometre pipeline from the Murray River.

A grazier in the far west of New South Wales is up to the challenge of the drought, growing his beard till he beats the big dry.

Relentless climate-related headlines paint a picture of an agricultural industry under siege and farmers say they need more help to adapt.

Bourke, outback NSW, has not seen meaningful rain in seven years and while its 2,500 residents prepare for unprecedented water restrictions, their dire plight has helped propel environmental concerns into NSW's political spotlight.

Hundreds of people appalled by the deaths of millions of fish in the Murray-Darling Basin have rallied in far west NSW, calling for a royal commission into the management of the waterway.

Professor Quentin Grafton says government should halt subsidies for irrigation efficiency projects

Professor John Williams says the government has not based their irrigation efficiency policies on the best science available.

Graziers have turned to the help of a landscape ecologist to battle severe drought in rain-starved areas of far western New South Wales.

A farmer at the centre of the Menindee fish kill story has lodged a complaint with police, alleging he felt "intimidated" by a staff member of lobby group Cotton Australia.

There is a part of Australia where the rivers are high but the crops are dying, where farmers can see plenty of water but have no access to it. And that could mean a change in political fortunes.

As a federal election and what should be the southern wet season approach, attention is returning to the drought. So where are we at?