Researchers at Oak Ridge National Laboratory are exploring a new way to store energy by turning abandoned coal mines into ...

Join us as we venture into an abandoned and dangerous coal mine to uncover what still lies hidden within. From collapsing tunnels to rusted equipment frozen in time, this exploration reveals the eerie ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Zoomed-in view of the moon’s Drygalski Crater taken with the high-resolution camera on South ...

Beneath parts of the Appalachian Mountains, thousands of mine shafts still descend deep into the earth. Some of these ...

SCRANTON, Pa. — Coal mining is synonymous with Pennsylvania's history. While it's not as big as it once was, abandoned sites still linger across the region. Inviting explorers and thrill seekers into ...

For the past 250 years, people have mined coal industrially in Pennsylvania, U.S.. By 1830, the city of Pittsburgh was using more than 400 tons of the fossil fuel every day. Burning all that coal has ...

Editor's Note: This story was originally published on May 31, 2018. Not all explorers are relegated to the pages of history books. One modern-day explorer is shedding light on some pretty dark places.