NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could crater existing Red Planet research missions.
Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...
Add Yahoo as a preferred source to see more of our stories on Google. A still taken from a NASA video about the SkyFall Mars helicopter mission. NASA wants to send an ambitious fleet of helicopters to ...
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