Water layer on the Mars (https://www.wired.com)
Planetary geologist found icy water beneath Mars after searching for decades. The surprising finding due to land erodes in certain sites of the red planet.
However, scientists did not know the quantity of water yet, and they did not know whether the water is safe for drinking or not.
The full report could be read at : https://www.wired.com/story/scientists-discover-clean-water-ice-just-below-mars-surface/