Most elements on the periodic table have at least one stable form. But some don’t. Here’s how long those unstable members endure.

Take a look at the first column of the periodic table. The elements in this group include some of the most common and useful ones on the planet - and they probably all wish they weren’t ...

In an unprecedentedly precise accelerator experiment, researchers directly observed how some of the heaviest known elements ...

Element 99 — mysterious and exceptionally radioactive — sits inconspicuously in the bottom row of the periodic table. Named for legendary physicist Albert Einstein, einsteinium has been one of ...

FEWER U’S The official discovery of elements 113, 115, 117 and 118 means that all 118 elements in the periodic table’s first seven rows have been found on Earth or produced in the lab.

The new superheavy, radioactive elements were added to the periodic table last year but given temporary and unremarkable names: ununtrium, ununpentium, ununseptium and ununoctoium.