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 ...

Ancient sea salt has been used for centuries as a healing, purifying, and energizing mineral—and today, it’s experiencing a wellness revival. Unlike processed table salt, ancient sea salt is rich 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 ...