The planet Mars is shown in this NASA Hubble Space Telescope view taken May 12, 2016. — NASAScientists have found evidence suggesting that a vast reservoir of liquid water may exist deep beneath Mars' surface within fractured igneous rocks, Reuters reported. This reservoir could potentially...source https://www.thenews.com.pk/latest/1219736-huge-underground-reservoir-of-water-detected-on-mars
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