Of all the sci-fi subgenres that exist, one of the most versatile is aliens. The idea that we are not alone in the universe offers countless story opportunities, and it's fascinating how the best ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.