OAK RIDGE, Tenn. — Tennessee, whose scientists played a key role in the discovery of a series of new super-heavy elements, is being rewarded with its name as part of one of the elements, Tennessine.

For new, human-made heavy elements on the periodic table, being “too ‘big’ for your own good” often means instability and a fleeting existence. The more protons and neutrons scientists squeeze ...

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 ...