For this month's Outdoor Colorado we are exploring the Paint Mines Interpretive Park in Calhan, Colorado. These colorful rock ...

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 ...

Editor’s note: This article, distributed by The Associated Press, was originally published on The Conversation website. The Conversation is an independent and nonprofit source of news, analysis and ...

"Mines were put there, people left and have forgotten about it." Declassified images from U.S. military satellites are helping find forgotten mine fields in Cambodia. From the late 1960s almost until ...