There are only a few developments that have organized the way we see the world. There is the classification system of the life sciences, which separated the natural world into kingdoms. There is the ...

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 ...

There are four new seats at chemistry’s venerable periodic table, added by international judges for work performed by scientists at Lawrence Livermore National Laboratory and in Japan and Russia. With ...

The Periodic Table of Chemical Elements, which was first published by Russian scientist Dmitri Mendeleev on Feb. 17, 1869, is celebrating its 150th anniversary this year. To mark the occasion, the ...