Rare earth elements (REEs) are a group of 17 metallic elements essential in many modern technologies. Despite their name, they are not actually rare, but they are difficult to extract and refine. In ...

A new atlas charts the global distribution of unusual, critical-metal-bearing igneous rocks, finding that they often form near the thick and ancient cores of the world's major continents. Researchers ...

More than ten years ago, the so-called “rare earth crisis” highlighted the fragility of the supply chain of these metals, which are crucial for the transition to a carbon-neutral economy. Most of the ...