As we humans grapple with the possibility (or impossibility) of extraterrestrials visiting Earth, NASA has essentially been doing the same thing on other planets for decades now. Take nearby neighbor Mars, for example.
NASA's Mars Curiosity rover shares new panorama as it climbs Mount Sharp
As we humans grapple with the possibility (or impossibility) of extraterrestrials visiting Earth, NASA has essentially been doing the same thing on other planets for decades now. Take nearby neighbor Mars, for example.