In arid southeastern California, just across the border from Nevada, sits the only large-scale rare earth element mine in the Western Hemisphere. Here at Mountain Pass, rocks are dug out of a 400 ...

California’s Mountain Pass mine, the sole significant developed source for crucial rare earths electronics elements in the U.S., is destined to go on the auction block in March, according to ...

MP Materials, operator of the Mountain Pass mine in California’s Mojave Desert, is ramping up supplies of the critical ingredients and magnets as China tightens exports.

Interstate 15 in California has reopened after being closed overnight because of heavy snowfall in Mountain Pass and Cajon Pass.

This 2024 photo provided by MP Materials shows an aerial view of the company's mine in Mountain Pass, Calif. (MP Materials via AP) Sign up for new weekly newsletter Closing Arguments to get the latest ...

The Grapevine remained open Wednesday morning despite a blast of winter weather blanketing Southern California mountain passes.

Knott’s Berry Farm and Six Flags Magic Mountain will soon offer deep discounts on a 2026 season pass good for the rest of 2025 that can be used at both Southern California theme parks and every ...