OMAHA, Neb. — America’s only rare earths mine heard from anxious companies soon after China responded to President Donald Trump’s tariffs this month by limiting exports of those minerals ...

As China imposes export controls on rare earth elements, the U.S. would be unable to fill a potential shortfall, according to the Center for Strategic and International Studies, a Washington ...

The beginning of the end of Europe’s dependency on China for precious rare earth materials may lie buried deep under the rugged reaches of northern Sweden, well above the Arctic Circle.