Sur le site du Point http://www.lepoint.fr/science/curiosity-que-cherche-t-on-vraiment-sur-mars-29-10-2012-1522556_25.php?google_editors_picks=true, Francis Rocard, responsable du programme d’exploration du système solaire au CNES, répond à des questions concernant la vie sur Mars. La première piste pour la recherche de la vie passée ou présente, « suivre la piste de l’eau », est maintenant bien défrichée par les divers rovers et sondes en orbite (ici les traces d’alluvions mises en évidence récemment par Curiosity), il faut passer maintenant à « chercher le carbone ». (Doc. NASA/JPL-Caltech)
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