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First Contact with aliens could be a life-altering event. How should we respond?

Peter Hatfield and Leah Trueblood from the University of Oxford say that our experience with the COVID-19 pandemic is preparing ...
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If aliens exist, we could signal them with a massive laser…and why that’s a bad idea

If extraterrestrial life exists in our neck of the Milky Way, how would we make our presence known to one ...