What’s going on with this silent threat that can stealthily damage your body in ways that can take years to reveal themselves ...

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 ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Researchers may have found a way to create a new superheavy element, known as "element 120," which would be so hefty that it would need to be put in a new row on the periodic table of elements. If ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Scientists at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) are credited in the discovery of 16 of the 118 known elements. Now they’ve completed the crucial first ...

The rare form of the element found on the Pacific seabed points to its violent birth in colliding stars. By William J. Broad Scientists studying a sample of oceanic crust retrieved from the Pacific ...

At the far end of the periodic table is a realm where nothing is quite as it should be. The elements here, starting at atomic number 104 (rutherfordium), have never been found in nature. In fact, they ...

Six atoms may seem minuscule–especially if they exist for only fractions of a second–but they can have huge implications. The recent announcement that Russian and American scientists finally managed ...