Last summer, when more than 8 million trillion calcium ions blasted a thin film of americium atoms nonstop for more than a month, the collisions generated four atoms of never-before-seen element 115, ...

For now, they're known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113, 115, ...

They exist for only seconds at most in real life, but they’ve gained immortality in chemistry: Two new elements have been added to the periodic table. The elements were recognized by an international ...

Kazutomo Suenaga of the Nanotube Research Center of the National Institute of Advanced Industrial Science and Technology and Ryosuke Senga of the Nano-carbon Characterization Team, NTRC, AIST, have ...