Mercury is a metal, yet it has some weird physical properties, including being a liquid at room temperature.

From ancient coins to modern markets, gold has shaped money for centuries. Its physical properties help explain why it continues to hold a unique place in finance.

Mendeleev's original, 1869 version of the Periodic Table featured 63 elements. Now, there are 118. But as scientists worked to extend the Table (and fill in a bunch of holes), not every ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists in Japan, the United States and Russia have officially discovered four new elements, at last completing that ...