Dean Caldwell of Cicero has been mining opal and obsidian for six months of the year in Mexico for the last 15 years. Last ...

He has found a good amount of opal while working on this mine by himself for over three years. Churchgoers attend a Sunday service in an underground orthodox church built in 1993 by the Serbian ...

A little more than 9,600 miles and nine time zones from the 18th green of the Old Course at St. Andrews, host of this week’s AIG Women’s Open, is a golf course in the outback of Australia with ...

Renee is almost buried alive in the deadly mine on a new “Outback Opal Hunters.” The episode premieres Friday, Jan. 31, at 10 p.m. ET on Discovery. Watch it for free with a trial on Philo.

A kangaroo has been rescued from an open cut mine shaft in opal fields near the outback town of Coober Pedy in South Australia's far north. A member of the public spotted the animal on ...

Eric the plesiosaur was found in an opal mine in the south of Australia in 1987. Abram Powell The Australian National University Millions of years ago, Eric the plesiosaur swam through the waters ...