Extraterrestrial life, or alien life (colloquially, alien), is life that originates from another world rather than on Earth. No extraterrestrial life...

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

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

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

The search for extraterrestrial intelligence (SETI) is a collective term for scientific searches for intelligent extraterrestrial life. Methods include...

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

The existence of extraterrestrial life is a scientific idea that has been debated for centuries. Initially, the question was purely speculative; in modern...

locate intelligent life as opposed to analyzing the implications of contact with that life. The potential changes from extraterrestrial contact could vary...

ISBN 0-521-56564-2, OCLC 28928183 Crowe, Michael J. (1999), The Extraterrestrial Life Debate, 1750–1900, Courier Dover Publications, pp. 241–246, ISBN 0-486-40675-X...

the first evidence of extraterrestrial life on Mars. When members of the crew conduct their research, the rapidly evolving life-form proves to be far...

the fifth kind' as human initiated contact and communication with extraterrestrial life. CSETI claims to have over 3,000 confirmed reports of UFO sightings...

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

Melissa Mathison. It tells the story of Elliott, a boy who befriends an extraterrestrial, dubbed E.T., who is left behind on Earth. Along with his friends and...

more complex structure. Life is only known to exist on Earth but extraterrestrial life is thought probable. Artificial life is being simulated and explored...

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

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

including psychology, information theory, the origin of life, and the possibility of extraterrestrial life. In 1863 Rudolf Clausius published his noted memoir...

Interstellar: The Search for Extraterrestrial Life and Our Future in the Stars (also known as Interstellar) is a popular science book written by American...

discrepancy between the lack of conclusive evidence of advanced extraterrestrial life and the apparently high likelihood of its existence. Those affirming...

have claimed that the story is evidence of a close encounter with extraterrestrial life. The best-known versions of the legend are found in four texts:...

Science of Extraterrestrial Life (published in the US, and UK second edition as What Does a Martian Look Like?: The Science of Extraterrestrial Life) is a...

2024. Kenny, Glenn (December 19, 2024). "'Sonic the Hedgehog 3' Review: Life Comes at You Fast". The New York Times. Archived from the original on December...

extinct. Earth is the only celestial body known to harbor life forms. No form of extraterrestrial life has yet been discovered. Archaea – a domain of single-celled...

planetary biosignatures of past or present extraterrestrial life, and the study of the origin and early evolution of life on Earth. The field of astrobiology...

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...

Extraterrestrial: The First Sign of Intelligent Life Beyond Earth (also known as Extraterrestrial) is a popular science book written by American theoretical...

Universe" in: Civilized Life in the Universe: Scientists on Intelligent Extraterrestrials, doi:10.1093/acprof:oso/9780195171815.003.0008 Clifford A. Pickover...

above in times of war Extraterrestrial life, life which does not originate from Earth Specifically, a lifeform with extraterrestrial intelligence For fictional...

to watch Hardy sink so low. From the elegant character work of Stuart: A Life Backwards and Tinker Tailor Soldier Spy to a blank-eyed Marvel meathead whose...

sulfuric acid-rich extraterrestrial environments. Alternatively, the weak bonds in silicon compounds may help maintain a rapid pace of life at cryogenic temperatures...