Outcrops with thick salt deposits in Sicily. While wandering along the cliffs of the Mediterranean Sea — particularly in southern Italy and Sicily — one might come across outcrops composed entirely of ...

From Death Valley to Chile to Iran, similarly sized polygons of salt form in playas all over the world — and subterranean fluid flows might be the key to solving the long-standing puzzle of why.

The Bonneville Salt Flats have shrunk by 75% in the last 100 years, and they could vanish entirely by the end of the century, new research has found. “The rate of decline definitely surprised me,” ...