High in the Chilean Andes, scientists have discovered a unique environment where ancient microscopic life remains preserved alongside living microbes within gypsum crystals in a salt flat. The extreme altitude location features thin air and intense solar radiation, creating conditions that researchers believe mirror what may have existed on ancient Mars.

The gypsum crystals serve as natural time capsules, containing fossilized remains of organisms that lived thousands of years ago while simultaneously hosting communities of microbes that remain alive today. This dual preservation system demonstrates how life can persist in extreme environments over extended periods.