Deep in California's arid Mojave Desert, workers at the decades-old Mountain Pass mine use massive machines to extract and refine the rare earth metals that make our modern devices work. It's the only ...

MP controls one of the only scalable rare earth mines in the U.S. The company has inked strategic deals with the Department of Defense and Apple. After a 266% burst ...

At the edge of California’s Mojave Desert, the Mountain Pass mine looks like any other stretch of dust and rock. But for decades, this lonely pit supplied the world with the rare-earth elements that ...