A new study showed many are in close proximity to, and could threaten, national parks. In Montana, Idaho and Wyoming, more than 15,000 mining claims are within 30 miles of a national park or ...

from the Grand Canyon’s layer cake of crimson crag to the jagged peaks of the Tetons in Wyoming. These adventure havens aren’t just about beauty, though. National parks represent the ...

More than 300 million visitors explored America’s national parks last year ... soar nearly 7,000 feet above the Wyoming valley floor, making them some of the boldest geological statements ...

Coal-fired power plants and the oil and gas sector are the main sources of haze pollution in Wyoming. This air pollution, which can travel hundreds of miles from its source, affects parks like Grand ...