Mercury, the element, is no longer used in thermometers, but it remains at the center of a decades-long debate over vaccine ...

The alchemist's dream is to make gold from common metals, but can this be done? The physics needed to explain how to change ...

A rare magnetic signal revealed lithium on Mercury, showing the planet is still being reshaped by meteoroid strikes.

Since virtually every household in America had a mercury-containing glass thermometer, there wasn’t much concern about this potentially toxic element. A horrifying public health disaster in ...