Big-budget movies like Alien, E.T., and Arrival are mainstream extraterrestrial movies. Most people have seen them, and those ...

The San-Ti are a technologically advanced alien race that live on a chaotic, dying world. Their home is part of a system of ...

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