ScienceMartian rover Opportunity gets spring cleaning, snaps a 'selfie' of its shadow If Mars rover Opportunity had a voice, it would probably be singing "Sunshine on my shoulder makes me happy." The NASA rover has taken a selfie even as wind and sun pat its back.by Jim Algar
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ScienceMartian meteorite suggests presence of water...and possibly, alien life, on the Red Planetby James Maynard
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