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 ...

The group of rare earth elements (REEs) comprises a total of 17 elements, all of which possess similar chemical properties. In addition to the two lightest elements, scandium and yttrium, the group ...

Do you know what the most abundant element on Earth really is? You might be surprised to know that the answer depends on where you look. Earth is not made of one simple layer. It has the crust, the ...

Like a moth in a cocoon, the metamorphosis of Earth's crust from molten goop to solid land is hidden from view, leaving scientists to guess at how the eons-long process unfolds. Using nearly four ...

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 ...

The Earth’s crust is constantly rewritten by volcanoes, erosion, and plate tectonics. New crust is being created while old ...