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 ...

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 ...

The phrase "worth your weight in salt" is one casually tossed about today -- but that wasn't always the case. Given the global importance of salt over hundreds of years, it was once a high compliment ...

Himalayan salt and sea salt have different mineral compositions based on their region of origin. These salts can also be added to bath water to enhance relaxation. Both salts are more natural than ...