Look up extraterrestrial, extra-, terrestrial, or extra in Wiktionary, the free dictionary. Extraterrestrial may refer to: Extraterrestrial life, life...

in astronomy) Extraterrestrial life, alien life, or colloquially aliens, is life which does not originate from Earth. No extraterrestrial life has yet...

Extraterrestrial intelligence (ETI) refers to hypothetical intelligent extraterrestrial life. No such life has ever been observed to exist. The question...

ark Generation ship Extraterrestrial surface settlement Moonbase Mars base Extraterrestrial underground settlements Extraterrestrial submerged settlements...

An extraterrestrial or alien is a lifeform that did not originate on Earth. The word extraterrestrial means "outside Earth". Extraterrestrials are a common...

The cultural impact of extraterrestrial contact is the corpus of changes to terrestrial science, technology, religion, politics, and ecosystems resulting...

The search for extraterrestrial intelligence (SETI) is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring...

This is a list of lists of fictional extraterrestrial species. A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z List of Noon...

ufologist and retired physician. He founded the Center for the Study of Extraterrestrial Intelligence (CSETI) and the Disclosure Project, which seeks the disclosure...

Extraterrestrial (also known under the working title of The Visitors) is a 2014 Canadian science fiction horror film that was directed by Colin Minihan—one...

The extraterrestrial hypothesis (ETH) proposes that some unidentified flying objects (UFOs) are best explained as being physical spacecraft occupied by...

Extraterrestrial contact may refer to: Search for extraterrestrial intelligence Potential cultural impact of extraterrestrial contact First contact (science...

A culture of extraterrestriality is the cultural imagination and description of otherworldlyness, alienness or outright outer space, characterizing the...

Extraterrestrial Civilizations is a 1979 book by Isaac Asimov, in which the author estimates the probability of there being intelligent extraterrestrial...

outline is provided as an overview of and topical guide to extraterrestrial life: Extraterrestrial life – is any type of lifeform, from prokaryotes to intelligent...

referred to as Zeta Reticulans, Roswell Greys or Greys, are purported extraterrestrial beings. They are frequent subjects of close encounters and alien abduction...

Alien languages, i.e. languages of extraterrestrial beings, are a hypothetical subject since none have been encountered so far. The research in these hypothetical...

This is a list of extraterrestrial beings that have been reported in close encounters, claimed or speculated to be associated with unidentified flying...

The communication with extraterrestrial intelligence (CETI) is a branch of the search for extraterrestrial intelligence (SETI) that focuses on composing...

refer to a pseudoscientific set of beliefs that hold that intelligent extraterrestrial beings visited Earth and made contact with humans in antiquity and...

Ashtar (sometimes called Ashtar Sheran) is the name given to an extraterrestrial being or group of beings that a number of people claim to have channeled...

probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way Galaxy. The equation was formulated...

An extraterrestrial vortex is a vortex that occurs on planets and natural satellites other than Earth that have sufficient atmospheres. Most observed extraterrestrial...

release as E.T.N.: The Extraterrestrial Nastie, E.T.N.: The Extraterrestrial Nasty, The Extraterrestrial Nastie and The Extraterrestrial Nasty . As part of...

to Earth) that life originated from these molecules, extraterrestrially that this extraterrestrial life was transported to Earth. The creation and distribution...

Cosmic dust – also called extraterrestrial dust, space dust, or star dust – is dust that occurs in outer space or has fallen onto Earth. Most cosmic dust...

the discrepancy between the lack of conclusive evidence of advanced extraterrestrial life and the apparently high likelihood of its existence. As a 2015...

Extraterrestrial (Spanish: Extraterrestre) is a 2011 Spanish science-fiction romantic comedy written and directed by Nacho Vigalondo and starring Michelle...

astronomy, an extraterrestrial sky is a view of outer space from the surface of an astronomical body other than Earth. The only extraterrestrial sky that has...

информации внеземными цивилизациями" ("Transmission of Information by Extraterrestrial Civilizations"). Starting from a functional definition of civilization...