Reservoir of Liquid Water Found Deep In Martian Rocks

Slashdot contributors Tablizer, radaos, fjo3, and dbialac highlighted a major discovery by scientists: a reservoir of liquid water hidden deep beneath Mars' rocky outer crust. The BBC reports: The findings come from a new analysis of data from Nasa's Mars Insight Lander, which touched down on the planet back in 2018. The lander carried a seismometer, which recorded four years' of vibrations -- Mars quakes -- from deep inside the Red Planet. Analyzing those quakes -- and exactly how the planet moves -- revealed "seismic signals" of liquid water... The Insight probe was only able to record directly from the crust beneath its feet, but the researchers expect that there will be similar reservoirs across the planet. If that is the case, they estimate that there is enough liquid water on Mars to form a layer across the surface that would be more than half a mile deep. However, they point out, the location of this Martian groundwater is not good news for billionaires with Mars colonization plans who might want to tap into it. "It's sequestered 10-20km deep in the crust," explained Prof Manga. "Drilling a hole 10km deep on Mars -- even for [Elon] Musk -- would be difficult," he told BBC News.

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