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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 ...

The International Union of Pure and Applied Chemistry (IUPAC), has officially approved the names of four new elements to be added to the periodic table. The new elements, Nihonium, Moscovium, ...

The periodic table may soon gain a new element, physicists at Lund University in Sweden announced Tuesday. A team of Lund researchers is the second to successfully create atoms of element 115.

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 the first episode of his famous TV series about space, "Cosmos: A Personal Voyage," the late astronomer Carl Sagan wastes no time dramatically setting the stage. "The surface of the Earth is the ...

It is an icon of natural science and hangs in most chemistry classrooms: the periodic table of elements, which is celebrating its 150th birthday this year. The tabular overview is closely linked to ...

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, ...