Whether explicit efforts to dig through the Earth's mantle or some of the world's wildest open-pit mines, humankind has done some serious digging. We explore some of the craziest manmade holes out ...

SHELL — With temperatures pushing 100 degrees, a half-dozen people spent a recent dry, dusty July day scrambling around an open pit, digging for buried treasure in the hills above ...

Open pit mining involves digging out rocks to form an open pit or borrow pit, from which resources are then extracted. An open pit mine generally has stepped sides to minimize the risks associated ...

After a century of exploitation, Chuquicamata has become too big, too deep and too old to continue digging in the open-pit method. The giant trucks that carry copper ore each guzzle 819 gallons ...

Open-pit mining, which involves digging massive holes into the ground so that metals like copper and iron can be extracted without the use of tunnels, is the world’s most common kind of metal ...

Add to that the enormous open-pit mines dotting the surface of the planet that resemble nothing so much as empty lakes waiting to fill back up with water if given a chance, and the scale of the ...

An iron-ore mine on Tasmania's north-west coast plans to move its operations underground by 2035 in a push that would improve ...

State lawmakers consider removing size limits on open-pit metal mines The current three-acre limit prohibits the mining of a lithium deposit in Newry that could be worth over $1 billion.

Miners want to return to the treasured landscape, promising an economic boost while raising fears of how modern gold ...