'Grey' aliens appear like that because they've taken DNA from humans they have abducted, zany Professor David Jacobs claims.

Warning: Spoilers ahead for Resident Alien season 4, episode 2, "The Lonely Man."The Greys have long been a part of Resident ...

Of all the answers Resident Alien could have given us with regards to why the Greys abduct human babies, we did not expect the ...

For more than 70 years, the image of the Grey alien has haunted human imagination. Oversized black eyes. Smooth grey skin.