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Communications of the ACM

ACM Opinion

The Search For Life Across the ­niverse

Planet Kepler-22b

The planet Kepler-22b, shown in this artwork, is the right size and distance from its star to support liquid water, and perhaps life.

Credit: NASA/Ames/JPL-Caltech

When Jeremy Drake was beginning his career in the late 1980s, the question of whether or not we are alone in the universe still seemed beyond the realm of scienc

From Smithsonian magazine
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