Popularized by H.G. Wells' novel, The War of the Worlds, a common trope in science fiction is, of course, the moment of first contact between humans and intelligent extraterrestrial life. The concept ...

It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as an alien arrival on Earth ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. For as long as humans have ...