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 ...

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The unsettling logic behind a “last message” universe The idea that our first confirmed alien signal might be a civilization’s final broadcast is rooted less in pessimism than in probability. If ...

If you were an alien from TRAPPIST-1, a star some 40 light-years away from Earth, searching for signs of intelligent life, you might spot an odd burst of infrared light coming from our solar system.

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LEXINGTON, Ky. (CNN) - One Kentucky city wants to expand its tourism outreach beyond just earthlings. Lexington’s Convention and Visitor’s Bureau created an extraterrestrial’s guide to the city. It ...