An Australian scientist has said he discovered how to turn HIV against itself to stop it progressing to Aids.
Renowned cricket writer Peter Roebuck was found dead at his hotel in Cape Town, where he was covering Australia's Test series with the Proteas.
Australia moved to toughen its refugee stance on Tuesday, so those convicted of crimes while in immigration detention could be shipped home.
After a deadly earthquake left homes creaking and wiped out buildings and jobs, thousands of residents have turned their back on Christchurch.
New Zealand warned relatives to brace for the worst on Friday as toiling rescuers failed to find any more survivors after a devastating earthquake.
Five-time Olympic freestyle champion Ian Thorpe announced his return to swimming for the 2012 London games on Wednesday.
Rescuers on Wednesday reached scenes of stunning devastation after a killer tsunami obliterated Samoan island villages, killing at least 148 people.
Australia announced a $155-million package for isolated Aboriginal communities on Friday, after a new report revealed shocking levels of child abuse.
Survivors made a return on Saturday to a town burnt to ashes in Australia's deadliest bushfires, as police picked through the crime scene.
Arsonists lit a wildfire that killed 21 people in Australia and are suspected of starting another that razed a whole town, police said on Thursday.