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What would happen if aliens contacted us? It's a longstanding question that now has at least a partial answer after a transmission designed to mimic correspondence from an extraterrestrial ...

Researchers who listen for signs of non-human life say signals ‘can slip below detection thresholds, even if it’s there’ ...

Add Yahoo as a preferred source to see more of our stories on Google. SETI sent a strange and mysterious radio signal to Earth.CHIME/MIT News SETI sent a message from Mars to Earth to simulate how ...

A simulated “alien” signal sent by a Nasa orbiter circling Mars has finally been cracked after months by a father-daughter duo, revealing the cosmic coded message. Nasa collaborated with SETI ...

On a hot November day in the tropical forest of Arecibo, Puerto Rico, amongst the croaking of coquís, the message went out. Warbling audio crackled over loudspeakers—the audible result of the work of ...

A Kentucky city has drummed up a unique way to boost tourism in the Blue Grass state — by blasting an invitation to aliens possibly living in a star system 40 lightyears away. Scientists in Lexington ...