There are Places Where Salty Water Could Emerge Onto the Surface of Mars

A computer generated view of Mars, with an area including Gale Crater beginning to catch morning light. Image Credit: NASA/JPL-Caltech

The existence of water on Mars is a contentious subject. We know there used to be water on the surface of the planet, though it’s long gone now. We know there’s frozen water underground in the world, and we know there’s water vapour in the air. But life needs liquid water.

Could there be liquid water on Mars?

A new study shows how salty water could emerge from the atmosphere onto Mars’ surface under the right conditions.

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