About 700 million years ago, Earth froze over so completely that even tropical oceans turned to ice, an episode scientists call Snowball Earth. New research now points to an overlooked accomplice in ...

A collection of freshwater pools appearing alongside the receding Dead Sea has captured attention from believers who claim ...

A salt marsh on the Isle of Lewis has revealed one of the longest continuous records of sea-level change ever found in northwest Scotland.

Salt is an essential nutrient for the human body. But hundreds of millions of years before the first humans, salt minerals once shaped entire landscapes. They even determined where early life on Earth ...