Trash Gobbling Robots Cleaning Lake Tahoe and Beyond! Science World's oldest periodic table chart emerges from obscurity Germanium, discovered in 1886, is not included on the chart.

Created 150 years ago, the Periodic Table is a triumph of form and function. Now this design classic has been updated for the 21st century – and opened up to a new audience.

As part of their chemistry class, seventh-graders at Cohen Hillel Academy in Marblehead created periodic-table windsocks, integrating the design process with a multi-faceted approach to ...

The periodic table was decades in the making, but many people came up with early periodic laws, and periodic charts. One of these people was Gustavus Hinrichs.

Two scientists in Moscow have proposed replacing the periodic table as the chief way to organize elements. Rather than ordering by atomic number (the number of protons in the nucleus) the chart ...

Just knowing the periodic table of elements isn’t enough for chemistry students these days — understanding isotopes is what really matters.

The scientific body in charge of chemistry's periodic table has verified the discoveries of four elements – completing the famous chart's seventh row.

Scientists at the Department of Energy’s Lawrence Berkeley National Laboratory are using the 88-Inch Cyclotron to help steady ...

This video excerpt from NOVA's "Hunting the Elements" looks at how early chemists developed the periodic table.