Nobody knows. It seems very likely, considering the huge amount of planets in the Universe. But it hasn't been confirmed yet.
Barlowe's Guide to Extraterrestrials was created in 1979.
The ISBN of Barlowe's Guide to Extraterrestrials is 0894805002.
Nowhere in the Bible are extraterrestrials mentioned in any way.
Although we have no definite knowledge of any extraterrestrials, and we certainly do not know that any extraterrestrials have received any messages from us, we have sent a number of things into space, notably radio and TV broadcasts and various robotic space probes, which would convey information to extraterrestrials if the hypothetical extraterrestrials received them.
No
Understanding - 1994 Extraterrestrials was released on: USA: 29 August 1998
For a start, there isn't any solid evidence for extraterrestrials so far. Of course, there are arguments (mainly of a probabilistic nature) that there SHOULD be extraterrestrials, but that's about all.
National Geographic Explorer - 1985 Searching for Extraterrestrials was released on: USA: 4 December 1994
the existence of extraterrestrials is a paradox
Spacing Out - 2012 Searching for Intelligent Extraterrestrials 1-49 was released on: USA: 10 May 2013
No extraterrestrials are involved in the MW2 storyline.
True.