Unlike any other town known as a hole in the ground, Australia’s Coober Pedy really is a hole, and has two kinds of buried treasure. Unlike any other town known as a hole in the ground, Australia’s ...

A giant opal that weighs nearly 12,000 carats received a six-figure bid at an auction in Anchorage, Alaska. The precious stone, which is split in two, was sold for $143,750 on Sunday by Alaska Premier ...

The red dirt in central Australia might be a close mimic for the red surface of Mars, suggests research that sheds light on how opals formed in the land Down Under. Precious opal is Australia’s ...

Paleontologists in Australia have identified a previously unknown plant-eating dinosaur from the mid-Cretaceous. Remarkably, the fossilized bones of these creatures, which glisten in hues of blue and ...