https://www.space.com/martian-crust-could-sustain-life-through-radiation
Meteorites reveal that so long as groundwater is present, the Martian subsurface is habitable
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https://www.discovermagazine.com/idaho-canyons-could-lower-chances-of-martian-life-28099
NASA's Phoenix Lander aims to uncover evidence of water on Mars, exploring how floods shaped Martian canyons.
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