Ars Technica: The Voyager Golden Record is perhaps the best known example of humans attempting to communicate with an alien species, spearheaded by the late Carl Sagan, among others. But what are the ...
What will the last humans subsist on as they escape a dying earth? Bug soup, if Generation Exile is any indication ...
Beneath 70 % of Earth’s surface lies a realm where sonar picks up strange shapes, sunken cities and possibly alien structures.