Denver museum officials found a fossil 750 feet under a parking lot through a 5-inch opening.

A second plaintiff has joined a federal lawsuit challenging the Trump administration’s cuts to a program that screens coal miners for black lung.

A documentary that examines the cultural stereotype of the people of Appalachia and how that has affected America's rela | ...

Rare earth elements are a family of 17 metallic elements with unusual properties that make them useful for specific ...