Researchers, Using Radar Data From The European Space Agency’s (ESA) Mars Express Spacecraft, Which Has Been Orbiting Mars Since December 2003, Have Discovered 3 New Underground Lakes And Confirmed The Fourth Lake, Hinted At In 2018, All In The South Pole Of Mars. But The Question Is Could Life Survive In These Salty And Cold Lakes?
Buried lakes of liquid water discovered on Mars – BBC NewsThe underground lakes were detected in the Red Planet’s south polar region.