Mars may appear to be dry and desolate, but the Red Planet can be surprisingly humid — perhaps humid enough to support life, some scientists say.
The moisture in the atmosphere of Mars could be particularly conducive to life if the water condenses out to form short-term puddles in the early morning hours.
“The conditions on Mars, where the relative humidity is high and the available water vapor is approximately 100 precipitable microns, is the equivalent of the drier parts of the Atacama Desert in Chile,” John Rummel, of East Carolina University, told Space.com by email. [The Search for Life on Mars: A Photo Timeline]
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