The beloved Boundary Waters Canoe Area Wilderness of northern Minnesota is not only revered for its beauty but also for what we don't see. Deep underground lay some of the richest untapped mineral ...

Persistent inflation, rising energy costs, and fundamental geological challenges - such as declining ore grades - are forging a new, elevated cost standard across all metals. Precious metals such as ...

Currently, all eyes are on the state’s golden aspens — but there’s another glittering treasure hidden beneath the surface. Although many boom towns went bust well over a century ago, underground mine ...

A merchant vessel transports decommissioned U.S. Navy Avenger-class mine countermeasure ships through the Arabian Gulf. (MC2 Iain Page/U.S. Navy) The U.S. Navy decommissioned half of its Avenger-class ...