Space
11:18 am
Fri October 4, 2013

Sifting Martian Soil and Dreaming of Future Expeditions

Soil collected last year by the Mars rover Curiosity may contain two percent water, researchers report. Laurie Leshin of Rensselaer Polytechnic Institute describes what else the rover is finding in the soil, and what that information might mean for future expeditions to Mars.

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