"Star Wars" has a seemingly never-ending supply of alien designs. However, these five are the worst of the bunch, falling flat in their respective films.

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between. By James S.A. Corey James S.A. Corey is the pen name of Daniel Abraham and Ty Franck, the ...

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

A former CIA boffin has claimed that US agents investigating recovered UFO craft have identified four different types of alien species. In a new episode of the Diary of a CEO podcast, Dr. Hal Puthoff, ...

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 ...