Not all explorers are relegated to the pages of history books. One modern-day explorer is shedding light on some pretty dark places. Dan Lopez has spent the last 10 years exploring the dark abandoned ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Illustration by Julia Wytrazek / Getty Images There are about 500,000 abandoned mines in ...

From Europe to North America, an energy revolution is breathing new life into empty, long-forgotten coal mine shafts—by repurposing them into places to store renewable energy. Using "gravity batteries ...

NEW JERSEY — An unstable crater in the forest floor is just another reminder of the state's rich mining history and the many tunnels left behind and hiding just under the surface. Timothy Rack stands ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Swaths of Pennsylvania and many other states ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly give way and threaten people and property. That’s what searchers in ...

When an abandoned mineshaft beneath Interstate 80 in Morris County collapsed the morning after Christmas, closing the eastbound side of the highway for four days, everyone took notice. No vehicles ...

When Emmanuel Siyabonga was a boy, he wasn't fussy about the type of job he wanted when he grew up. Other boys dreamed of being footballers, doctors, soldiers. All Siyabonga wanted, he says, was a job ...