How We’ll Access the Water on Mars

A scientist explains why finding ice on the Red Planet is only part of the challenge.

In this illustration, NASA astronauts drill into the Mars’ subsurface. The agency is creating new maps that show where ice is most likely to be easily accessible to future astronauts. Credit: NASA
NASA’s Phoenix Mars Lander shows the trench, called ‘Dodo-Goldilocks,’ lacking lumps of ice seen previously. The ice had sublimated, a process similar to evaporation, over the course of four days. Credit: NASA/JPL-Caltech/University of Arizona/Texas A&M

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