The History Channel paranormal expert was just 53 years old.

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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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.