Since then, the periodic table has evolved to reflect over 150 years of scientific development and understanding in chemistry and physics. Today, with 118 known elements, it is widely regarded as one ...

An element is a substance that cannot be broken down into any other substance. Every element is made up of its own type of atom. This is why the chemical elements are all very different from each ...

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary ...

Known as the "Chemical Eye Guy," MacDougall has frequently served as a science commentator on WMOT, a National Public Radio station serving the Nashville region. Why is this your favorite element?: ...

What are Endangered & Critical Elements? Of the 118 elements that make up everything—from the compounds in a chemist’s arsenal to consumer products on the shelf—44 will face supply limitations in the ...

Transposable elements, or "jumping genes", were first identified by Barbara McClintock more than 50 years ago. Why are transposons so common in eukaryotes, and exactly what do they do? In addition ...