Alex de Minaur is continuing his quest at the Australian Open. Aryna Sabalenka, striving to win her third Australian Open title in four years, has reached the quarter-finals. Follow all the second Sunday highlights live from Melbourne Park.

Alex de Minaur moves through to the Australian Open quarter finals after a straight-sets victory against Alexander Bublik.

As the first person to train as an astronaut under the Australian flag, Katherine Bennell–Pegg hopes to inspire the next generation to look at the sky and dream big.

Alexander Bublik erupts with an expletive-laden spray as Alex de Minaur takes control of their match.

Learner Tien leaves all in shock as he records a straight-set win over Daniil Medvedev.

Alcaraz is through to the quarter-finals and has tweaked his game. Former world No.1 Novak Djokovic has let him know he wants royalties.

Alexander Bublik double-faults at the worst possible time as Alex de Minaur claims the first set.

Daniil Medvedev is left stunned as his 20-year-old rival, Learner Tien, wins the second set 6-0.

The chair umpire almost gets hit by an errant shot from Alex de Minaur.

A kangaroos hops out in front of cyclists during the Tour Down Under.

A goal for Enzo Fernandez leaves Manchester City in shock as their hopes of narrowing the gap to the top of the table fall further away.

American conservatives have strayed far from the ideals they once held as sacrosanct.

A severe heatwave is gripping South Australia, forcing the cancellation of some events, but organisers are still expecting thousands at various Australia Day rallies.

Kaleb Macqueen has recounted the moment Julian Ingram allegedly shot dead his aunt. Macqueen was seriously injured in the incident.

The dingoes found surrounding the body of Canadian backpacker Piper James will be put down after they were deemed an unacceptable risk.

American rock climber Alex Honnold reaches the top of 508-metre skyscraper without ropes.

Victoria's response leaders have issued an extreme heat alert that comes as Melbourne is blanketed in smoke from a major bushfire.

A highly sought after Portsea property has hit the market for the first time in half a century.

The bomb squad has been called to a Keilor East short-stay rental after suspicious devices were found.

Sydney Harbour is the new focus for shark mitigation, with a $4 million funding boost to increase the number of bull sharks tagged and tracked.