Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath ...

Minerals are typically formed when molten rock, or magma, cools ... Ruby in the RoughIts green surroundings showcase a ruby from Tanzania in its unpolished beauty. Rubies, valued as precious ...

Deep below the Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

when she came across a large outcrop of the peculiar-looking blue-green rocks. Intrigued, she took some back to her lab after her two-month expedition. Analysing them, she and her team identified ...