Humans have searched the heavens for signs of life since ancient times. Yet even the most recent evidence for extraterrestrial activity has come up short. Are we wasting time and money? Or are we searching for a new lens with which to make sense of life on Earth?
Is the search out there really a quest for meaning down here?
Read Joel Achenbachs essay and share your thoughts in our forum.
You can also read excerpts of Life Beyond Earth from the January 2000 issue of NATIONAL GEOGRAPHIC.
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