Rare earth elements are an easy-to-find, hard-to-refine resource critical for everything from magnets and electronics to ...

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 ...

Gone are the picks, the shovels and the canaries: Mining in Emerald and other underground operations has undergone a profound technological change. In the room-and-pillar method, tunnels as high as ...

"The coal itself is not enriched in rare earth elements," Vanden Berg said. "There's not going to be a byproduct from mining the coal, but for a company mining the coal seam, could they take a couple ...

Carbon-negative mining offers a promising path to meeting the mineral demands of the energy transition while shrinking the ...

A team of geologists analyzed 3,500 samples taken in and around coal mines in Utah and Colorado. Their findings open the possibility that these mines could see a secondary resource stream in the form ...