A recent report painted a worst-case scenario of a rise of up to 5.1°C by 2090 if there are no actions taken to cut greenhouse emissions.
The issue dominates debates, but for different reasons, from the far right making political capital to border guards pushing migrant boats back.
Muslims who fear public retribution after an extremist attack in Sydney are being supported by ordinary people in solidarity against Islamophobia.
Five people fled a central Sydney cafe where a gunman is holding terrified hostages after displaying an Islamic flag at the window.
Indigenous artists from Australia and South Africa have participated in a collaborative exhibition, organised by the SKA, that celebrates our shared night sky.
Five-times Olympic champion Ian Thorpe has revealed he is gay in a tell-all TV interview.
The gold producer says it will probably appeal a court decision which found it had no right to mine parts of its New South Wales site.
Airlines in northern Australia and southeast Asia have grounded their aircraft as Indonesia's Sangeang Api volcano erupts, throwing up an ash cloud.
South African orphans will now be able to be adopted by Australian parents should a family in their home country not be found.
The unmanned Bluefin21 submarine will search a patch of the Indian Ocean seabed for another week, before the search area for MH370 is expanded.
South Africa has been bowled out for 287 in their first innings against Australia on day three of the third Test.
The three-Test series between Australia and the Proteas - by a distance, the two best teams in the world - will be decided by their pace attacks.
The Ngadju people say Gold Fields did not comply with the Native Title Act 1993 when it acquired the mining tenements south of Kalgoorlie.
Comrade Cyril Ramaphosa has been deployed to the land of wallabies and heat strokes. But the welcome he received was, shall we say, less than warm.
Towns and iron ore operations have been forced into lockdown as Cyclone Christine is set to make landfall in parts of Western Australia on Monday.
Australia has claimed an eight-wicket victory over England during their fourth test match at the Melbourne Cricket Ground.
How is it possible that South Africa is a better place now than in 1994, asks a disgruntled South African expatriate.
Scientists have made a "discovery of a lifetime" in Australia after uncovering three new vertebrate species isolated for millions of years.