Rare earth elements are some of the most indispensable materials in modern technology. These 17 elements from the periodic table, such as gadolinium, praseodymium and lanthanum, play critical roles in ...

There are 17 rare earth elements (REEs) in all — 15 lanthanides plus yttrium and scandium. It's a fairly diverse group, with each rare earth mineral having different applications, pricing and ...

Soon after the blockade started, the panic began. When China choked off the export of rare-earth elements in April, producers and politicians around the world were quick to sound the alarm. China ...

You are entirely forgiven for not knowing this, since they are not especially rare — cerium is about as common as copper. The problem is that they’re difficult to isolate and purify; it wouldn’t be ...

Deep in an underground, World War II-era vault on the outskirts of Frankfurt, Germany, investment manager Louis O'Connor guards his firm's most valuable assets. The treasure inside? Rare earth ...