A new atlas charts the global distribution of unusual, critical-metal-bearing igneous rocks, finding that they often form ...

Scientists have identified a hidden deep-Earth pattern that may reveal where rare earth deposits form. The study links ...

Where are the most ideal locations to search for rare earth elements, which are rocks containing precious metals used in a ...

Igneous rock (derived from the Latin word ignis meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the ...

The people at the Smithsonian Institution National Museum of Natural History were nice enough to give a couple members of the Chemistry in Pictures team a behind-the-scenes look at their mineral ...