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

The fan favorite (and much longer) edit of David Fincher's film contains a different version of the much-maligned 'Alien' ...

According to Metropolitan Hilarion, aliens live in different realms and occasionally appear to humans as angels ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

The sci-fi series just received a huge injection of star power.

EXCLUSIVE: We have the first major cast addition to FX’s Alien: Earth for its upcoming second season. Emmy winner Peter ...

And everything we know so far.