These are stalagmites and stalactites. They are also the result of water seeping through limestone, which is made of calcium carbonate. The calcium carbonate is dissolved in the water as it seeps ...

A natural wonder in North America has been playing tricks on the mind for thousands of years. And while it is commonly known ...

Some of the most amazing spectacles around the world are hidden deep underground, beneath rocks, sea and even ice.

Travertine is a type of rock made mostly of calcium carbonate that is deposited from ... These cascade into each other, with stalactites and other limestone formations growing along ledges up ...

The Pamukkale travertines are limestone slopes and thermal water pools that have attracted visitors since before the days of Ancient Greece, when the spa town of Hierapolis was founded at the top.

CALCIUM carbonate can exist in three polymorphic forms, which in the order of their usual stabilities are calcite, aragonite and vaterite. Calcite is the most stable and the least soluble ...

NASA’s OSIRIS-REx mission uncovered a cosmic connection between asteroid Bennu and Earth’s Searles Lake. Both contain minerals formed by evaporating salty water, hinting that Bennu’s parent body once ...

Scientists recently discovered that San Bernardino County's Searles Lake contains minerals found in outer space.

Cave geochemistry plays a crucial role in understanding past climate conditions through the analysis of speleothems, which are mineral formations found in caves, such as stalactites and stalagmites.

Known for its crystal-clear waters and impressive stalactites, this grotto offers a unique kayaking adventure. In this guide, we'll take you through how to explore this magical spot by kayak ...

A zero calcium score with high cholesterol may mean a person is at a lower risk of coronary heart disease. It means imaging does not show a buildup of calcified plaque in the heart’s blood vessels.