Elements that do not exist in nature—that have been created in a laboratory—are unstable. After hours or days of one element bombarding another with enough energy for both to fuse, the resulting new ...

Over 150 years ago, when chemist Dmitri Mendeleev was developing the very first periodic table of elements, he included several empty spaces. Mendeleev, a visionary ...

At the far end of the periodic table is a realm where nothing is quite as it should be. The elements here, starting at atomic number 104 (rutherfordium), have never been found in nature. In fact, they ...

Yeah! Science! For the first time, scientists at Berkeley Lab have synthesized element 116 (livermorium) using a titanium particle beam. Previously, physicists created livermorium atoms using a ...

First conceived in the combustion of a hydrogen bomb on the South Pacific island of Elugelab in 1952, the heavy element einsteinium is one of the shier members of the Periodic Table; it doesn’t ...

Different elements exist on Earth, each with distinct physical and chemical properties based on their atomic structure. To ...