Harvard scientist Avi Loeb wants to send a message to the interstellar object, which he claims could be an alien spacecraft that has come to probe Earth and the other planets. He has suggested sending ...

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 ...

Rebecca Charbonneau is a historian at the American Institute of Physics, College Park, Maryland, and the author of Mixed Signals: Alien Communication Across the Iron Curtain. As the electronic signals ...