The giant pink granite Pildappa Rock has captured the eye of our roving Highway One team, in South Australia.
Until 1961 stromatolites were only known from fossils. But we now know that living colonies remain in a few isolated sites in WA.
The pinnacles are thousands of limestone pillars that rise out of the deep yellow sand of the desert in Nambung National Park.
On This Day
In 1883 this famous volcano exploded in one of the most violent eruptions the world has seen.
Eucalyptus trees can absorb gold and store it in their leaves, a world-first study has revealed.
Fossicking has a long history in Australia, and travellers still try their luck at striking it rich.
The Samoan islands sit atop volcanic foundations, shaping majestic sights and a tight-knit way of life.
The secret of how opals formed in Australia’s Red Centre could shed light on the landscape on Mars.
An asteroid impact zone 200km across – the third largest ever discovered – has been found in South Australia.
New research has shed light on Australia’s mysterious Argyle diamonds, which are naturally pink in colour.