The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...
Morning Overview on MSN
Are aliens blinking at us like fireflies? 1967 pulsar clue reignites debate
When astronomers first picked up a perfectly regular radio heartbeat from deep space in 1967, some of them half-jokingly labeled it a message from “little green men.” That signal, from a spinning ...
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