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 ...

Scientists still debate the origins of Earth’s life-sustaining elements. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For many years, ...

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 ...