Our appetite for salt and the meanings we attach to it have linked the ages. Salt literally gives us life, and reminds us of the origins of all life in the primordial sea. It has motivated the ...

Scientists have long wondered whether water once existed beyond Earth. Now, a major discovery has brought them closer to ...

In September 2005 Afar herders in northern Ethiopia watched in amazement as the Earth yawned open and swallowed ... leaving behind thick layers of salt. This "white gold" has long been an ...