Novak Djokovic has kept a low profile as he returned to the place where he will always be welcome following his deportation from Australia.

Police have returned to the NSW property where a missing nine-year-old girl was last seen as rescue crews battled rain and fog while scouring dense bushland on the fifth day of the search.

A giant asteroid, bigger than any building on Earth, is about to expected to soar past Earath.

The entire world will take a different view of Australia as a result of the "catastrophic" Novak Djokovic visa fiasco, according to fellow Serbian tennis star Laslo Djere.

Australian support remains on standby amid concerns an underwater volcano that erupted in Tonga and sparked a tsunami is likely to erupt again in coming days.

Prime Minister Scott Morrison has kept the door open for Novak Djokovic to return to Australia before the completion of a three-year ban on entering the country.

Hospitals in NSW are facing unprecedented stress amid the latest COVID-19 wave and health care workers are exhausted as thousands of patients are admitted each day, a senior Sydney doctor has warned.

ACCC boss Rod Sims says retail price-gouging on COVID-19 rapid antigen tests is "beyond outrageous", as demand for the kits continues to surge across the country.

While millions of Australians struggle to make ends meet during the COVID-19 pandemic, the nation's billionaires have pocketed $205 million a day.

Whether it's a hangover from the Novak Djokovic saga or the swirling threat of Omicron, fans have shunned day one of the Australian Open at Melbourne Park.