In north-west New South Wales, the opal mining town of Lighting Ridge sits atop a Cretaceous coastal flood plain. The dry, eucalypt and acacia-covered landscape around here is just its latest ...

Bill Kotru has seen many mines give way during the 43 years he has been digging for opal in Lightning Ridge, but he now fears another collapse will soon take a local road with it. Authorities have ...

A new report from the New South Wales Resources Regulator has revealed an increase in reported safety incidents at large ...

Coober Pedy is at the centre of Australia's opal mining industry. Now the town, where 60% of its residents live underground, is becoming a leader in sustainable living. Video by Clare Richardson ...