Elements are well, elementary. Each is a substance composed of the same kind of atoms and no others. Copper is made only of copper atoms, all of which have 29 protons — no more or less — in their ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists think an asteroid could contain previously unknown elements. Asteroid 33 Polyhymnia appears to be denser than the ...

Researchers have used the chemical fingerprints of zinc contained in meteorites to determine the origin of volatile elements on Earth. The results suggest that without 'unmelted' asteroids, there may ...

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 ...

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 ...

Naturally occurring superheavy elements beyond those listed in the periodic table could potentially explain why asteroid 33 Polyhymnia is so dense, new research suggests. When you purchase through ...

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From wind turbines to electric vehicles, rare earth elements—rare earths for short—are needed for key technologies to transition to a sustainable energy revolution. In addition, rare earths power ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

An iron meteorite from the core of a melted planetesimal (left) and a chondrite meteorite, derived from a ‘primitive’, unmelted planetesimal (right). Researchers have used the chemical fingerprints of ...