Aliens have inspired some of the greatest TV series of all time, but only a few can truly be called perfect television.

Explore 25 of the most famous movie aliens, from terrifying Xenomorphs to beloved E.T. Discover iconic extraterrestrials that ...

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

Quiz: Do you know your aliens? TENTACLED monsters, pale skinny humanoids, shimmery beings of pure energy… When it comes to the question of what alien life forms might look like, we are free to let our ...

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 ...