Alien Chemistry Underground: Caves Offer Clues to Life on Jupiter’s Moons

Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath Earth’s surface, rock and mineral formations conceal a hidden brilliance. When illuminated with black light, the fossilized chemicals within them glow in vivid shades of pink, blue, and green. Scientists are studying these fluorescent features to better [...]

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