A group of scientists at Penn State--including one who does work for NASA--have published a paper in the journal of the International Academy of Astronautics, speculating on the conditions under which we might make first contact with an extraterrestrial intelligence, and outlining the scenarios that could play out in its aftermath

A group of scientists at Penn State--including one who does work for NASA--have published a paper in the journal of the International Academy of Astronautics, speculating on the conditions under [...]