After three years of research, two South Dakota Mines professors have developed a sustainable method to extract rare earth elements from discarded coal mine waste, possibly creating a domestic source ...

Rare earth elements are used in a wide variety of modern technologies, from wind turbines to phones. While the elements ...

Rat-hole mining is a method of extracting coal from narrow, horizontal seams, with multiple safety risks for workers. Despite ...

A recent study published in Engineering presents a novel method for addressing the environmental challenges posed by coal mining, specifically focusing on the treatment of coal mine goafs, utilization ...

Should you have feedback on this article, please complete the fields below. Please indicate if your feedback is in the form of a letter to the editor that you wish to have published. If so, please be ...