Exploring Extraterrestrial Language

It may seem surprising that researchers could study a phenomenon for which we don’t yet have any data—after all, there are no verified accounts of conversations with aliens. But there are good reasons to consider what alien languages might look like. For one... human languages have far more in common than we might think. A universal grammar underlies what turn out to be mostly surface differences. [A]ll languages use a finite number of sounds (or gestures in the case of signed languages) and phrase types (like noun phrases and verb phrases) to build a theoretically limitless number of unique communications,...