Over 150 years ago, when chemist Dmitri Mendeleev was developing the very first periodic table of elements, he included several empty spaces. Mendeleev, a visionary ...

The Cassiopeia A supernova remnant reveals that massive exploding stars can forge far more of life's essential ingredients ...

A new nuclear forensics technique enabled the rapid analysis of nuclear materials for most of the elements in the periodic ...

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of ...

From elements that explode on contact with water to those that vanish in seconds, the periodic table is full of strange, rare ...

You probably studied the "regular" periodic table in school—but did you know there are more versions of the periodic table than just the one you know? The periodic table of elements has gone through ...

Linux offers a wide range of software designed to meet the diverse needs of students. Here are some of my favorites.

Her experiments on the heaviest elements deepened our understanding of radioactivity.