In the U.S., for example, researchers are looking in coal mines, where mining activity is already occurring, to see if rare earth metals might become the next product of these mines.

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.

These objects brought around a half a percent of Earth’s mass. If the late veneer theory is right, then most elements that make up life arrived on Earth sometime after the Earth’s core had formed.

Deities: Gaia (Greek), Ceres (Roman), Demeter (Greek), Pachamama (Incan). These gods and goddesses govern different aspects of the earth, from agriculture to the seasons. Animals: Bull, bear, stag.

There are 17 rare earth elements on the periodic table, but a better name for them would be the "troublesome earths." Here's why. When you purchase through links on our site, we may earn an ...

They're in the headlines every week—critical minerals like lithium, cobalt, nickel, graphite and the rare earth elements essential for high-technology and national security applications.

Earth’s extinct volcanoes might be an untapped source of highly in-demand rare earth elements. A set of lab-based experiments revealed that some of these 17 elements could be lurking in the ...

Rare earth elements are critical to many industries—used in electric motors, medical imaging and diagnostics, oil and gas refining, and computer and phone screens. The 17 rare earth elements all ...