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

The search for extraterrestrial intelligence (usually shortened as SETI) is an expression that refers to the diverse efforts and scientific projects intended...

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

from contact with an extraterrestrial civilization. This concept is closely related to the search for extraterrestrial intelligence (SETI), which attempts...

a retired physician. He founded the Center for the Study of Extraterrestrial Intelligence (CSETI) and the Disclosure Project, which claims to seek the...

concept of extraterrestrial life, particularly extraterrestrial intelligence, has had a major cultural impact, especially extraterrestrials in fiction...

(Active Search for Extra-Terrestrial Intelligence) are attempts to send messages to intelligent extraterrestrial life. Active SETI messages are predominantly...

Extra-Terrestrial Intelligence), METI (Messaging to Extra-Terrestrial Intelligence), and CETI (Communication with Extraterrestrial Intelligence). Scientist...

Astrolinguistics – Field of linguistics related to extraterrestrial life Communication with extraterrestrial intelligence – Branch of SETI Interspecies communication –...

Non-human intelligence (NHI) may refer to: Artificial intelligence, the intelligence of machines or software Extraterrestrial intelligence, the intelligence of...

Disclosure is a 2025 American documentary film that claims extraterrestrial intelligence exists and is being covered up. The film is produced and directed...

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

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

avoidance, and more autonomous operation. In the search for extraterrestrial intelligence (SETI), machine learning has been used in attempts to identify...

dialogue at the first scientific meeting on the search for extraterrestrial intelligence (SETI). The equation summarizes the main concepts which scientists...

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

is used in the modelling of hypotheses for the prevalence of extraterrestrial intelligence, particularly in the context of the Fermi Paradox. Hypothetical...

account how much a public announcement of the discovery of extraterrestrial intelligence would probably impact society. The IAA SETI Permanent Study...

people to live there. Extraterrestrials in fiction Search for extraterrestrial intelligence Potential cultural impact of extraterrestrial contact Expatriate...

"Project Argus," a New Mexico radio telescope array searching for extraterrestrial intelligence (SETI). This puts her at odds with much of the scientific community...

characters, primarily scientists, who all come into contact with an extraterrestrial civilization, leading to various threats and humanity-wide changes...

for Extraterrestrial Intelligence: A Fundamental Approach to the Basic Problem, in which he stated that: Detection and studies of extraterrestrial civilizations...

universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. He argued in favor of the hypothesis,...

been related to his support for ufology and his belief that extraterrestrial intelligence has visited or resides on Earth. Nolan graduated in 1983 from...

intelligent extraterrestrial organisms (non-human aliens) from other planets, or probes designed by extraterrestrials. The term extraterrestrial hypothesis...

"What is life?" from an extraterrestrial perspective. METI also conducts an optical search of extraterrestrial intelligence (SETI). Its optical observatory...

George (1979), "Message through time", Communication with Extraterrestrial Intelligence, Elsevier, pp. 221–225, doi:10.1016/b978-0-08-024727-4.50021-4...

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...

telescope in the United States, then used to support the search for extraterrestrial intelligence. The signal appeared to come from the direction of the constellation...

Communication with extraterrestrial intelligence Arecibo message Astrolinguistics Wow! signal Circumstellar habitable zone Extraterrestrial liquid water Planetary...