In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

UFOs have intrigued people for decades, with sightings and investigations dating back to the first widely reported one in ...

If the government confirms nonhuman intelligence, psychological research offers clues about the range of ways humans might ...

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...