NASA Mars Rover Landing Seeks New Alien Life. Here’s How That Would Change the World

Seth Shostak: Finding Martian life should compel us to abandon the notion that we are privileged, that humans are the sole sentient inhabitants of the universe. Indeed, we would not only have a strong indicator of cosmic company but could infer that it is widespread. It would include beings that are far beyond our own technical level, given that the Sun and its planets are relative newcomers to the universe, billions of years younger than the average solar system. Such a realization would be as consequential to our self-image as when we learned that we are not separate from the fauna of our world, but simply a part of it.

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