Rick Sr. discovered a 150-year-old abandoned gold mine on a remote Arizona ranch 40 years ago and dreamed of saving the old ...
STILFONTEIN, South Africa — Months after South African authorities initially cut off supplies to miners working illegally in an abandoned gold mine, rescuers brought dozens of bodies and emaciated ...
YELLOWKNIFE, Northwest Territories—This small subarctic city has a big problem. There are 237,000 metric tons of arsenic trioxide locked in the subterranean caverns of Giant Mine on the edge of ...