Add Yahoo as a preferred source to see more of our stories on Google. The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements.

The first 117 elements on the periodic table were relatively normal. Then along came element 118. Oganesson, named for Russian physicist Yuri Oganessian (SN: 1/21/17, p. 16), is the heaviest element ...

Four new elements have been added to the periodic table. The existence of elements 113, 115, 117, and 118 has been confirmed by multiple experiments. As you’ll remember from grade school, the periodic ...

Meet nihonium (Nh), moscovium (Mc), tennessine (Ts) and oganesson (Og), the newest elements on the periodic table to receive names. But don’t get too attached to the nomenclature for these elements, ...

The rare radioactive substance made its way from the United States to Russia on a commercial flight in June 2009. Customs officers balked at accepting the package, which was ensconced in lead ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue explores how the periodic table of elements took shape. Learn how the periodic table developed ...

The periodic table has become an icon of science. Its rows and columns provide a tidy way of showcasing the elements—the ingredients that make up the universe. It seems obvious today, but it wasn't to ...

A computer graphic shows how the collision of calcium ions and berkelium atoms produces atoms of Element 117. (Credit: University of California Television) The scientific body in charge of chemistry’s ...

In an event likely never to be repeated, four new superheavy elements were last week simultaneously added to the periodic table. To add four in one go is quite an achievement but the race to find more ...

The periodic table is one of those classic images that you find in many science labs and classrooms. It’s an image almost everyone has seen at some time in their life. Who can forget the periodic ...

Until December 2015, there were holes in the periodic table, elements synthesized but not yet officially recognized. But as we enter the International Year of the Periodic Table, the classic periodic ...

An international collaboration led by a research group from GSI/FAIR in Darmstadt, Germany, has achieved the first ...