The search for extraterrestrial intelligence (SETI) is a half-century-old quest — but as I report in Slate Future Tense, there's a new, and very heated debate these days: Should we make the first move, and reach out to "E.T."?
The search for extraterrestrial intelligence (SETI) is a half-century-old quest — but as I report in Slate Future Tense, there's a new, and very heated debate these days: Should we make the first move, and reach out to "E.T."?