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Ancient Aliens is an American television series that premiered on April 20, 2010 on the History channel.[1] Produced by Prometheus Entertainment, the program presents hypotheses of ancient astronauts and proposes that historical texts, archaeology and legends contain evidence of past human-extraterrestrial contact.[2][3] The show has been criticized for presenting pseudoscience and pseudohistory. The series' de facto pilot was a TV special of the same name that aired on March 8, 2009, on the History channel. Seasons 1–3 aired on the same channel until 2011. Beginning in 2012 with season 4, the series began airing on H2. Season 7 began on H2 in October 2014. On April 10, 2015, new episodes began premiering on the History channel. Extraterrestrial life is life that does not originate from Earth. It is also called alien life, or, if it is a sentient and/or relatively complex individual, an "extraterrestrial" or "alien" (or, to avoid confusion with the legal sense of "alien", a "space alien"). These as yet hypothetical forms of life range from simple bacteria-like organisms to beings far more complex than humans. The possibility that viruses might exist extraterrestrially has also been proposed. The development and testing of hypotheses on extraterrestrial life is known as "exobiology" or "astrobiology", although astrobiology also considers Earth-based life in its astronomical context. Many scientists consider extraterrestrial life plausible, but there is no direct evidence of its existence. Since the mid-20th century, there has been an ongoing search for signs of extraterrestrial life, from radios used to detect possible extraterrestrial signals, to telescopes used to search for potentially habitable extrasolar planets. It has also played a major role in works of science fiction. Over the years, science fiction works, especially Hollywood's involvement, has increased the public's interest in the possibility of extraterrestrial life. Some encourage aggressive methods to try and get in contact with life in outer space, while others argue that it might be dangerous to actively call attention to Earth. In the past, the clash between civilized culture and indigenous people has not gone well. On 13 February 2015, scientists (including Geoffrey Marcy, Seth Shostak, Frank Drake and David Brin) at a convention of the American Association for the Advancement of Science, discussed Active SETI and whether transmitting a message to possible intelligent extraterrestrials in the Cosmos was a good idea; one result was a statement, signed by many, that a "worldwide scientific, political and humanitarian discussion must occur before any message is sent". ************************************************** Watch more: https://goo.gl/9u3gNQ Thanks for Watching *** *** *** *** ================================================== Please Like and Subscribe to watch more videos