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  2. Potential cultural impact of extraterrestrial contact - Wikipedia

    en.wikipedia.org/wiki/Potential_cultural_impact...

    Alien pathogens could decimate the human population, which would have no immunity to them, or they might use terrestrial livestock or plants as hosts, causing indirect harm to humans. [45] Invasive organisms brought by extraterrestrial civilizations could cause great ecological harm because of the terrestrial biosphere's lack of defenses ...

  3. Aliens Could Be All Around Us—But We’re Totally ... - AOL

    www.aol.com/aliens-could-around-us-totally...

    Surely the U.S. and other major world governments have drawn up preliminary to-do lists in case we encounter extraterrestrial life. Either the answer is no, or governments aren’t publicizing ...

  4. Extraterrestrial life - Wikipedia

    en.wikipedia.org/wiki/Extraterrestrial_life

    [1] [2] [3] The Drake equation speculates about the existence of sapient life elsewhere in the universe. The science of extraterrestrial life is known as astrobiology . Speculation about the possibility of inhabited worlds beyond Earth dates back to antiquity.

  5. Zoo hypothesis - Wikipedia

    en.wikipedia.org/wiki/Zoo_hypothesis

    2003: In South Park 's inaugural episode of season seven, "Cancelled", aliens refrain from contacting Earth because the planet is the subject and setting of a reality television show. Unlike most variations of the zoo hypothesis where contact is not initiated in order to allow organic socioeconomic, cultural, and technological development, the ...

  6. Astrophysicist suggests alien life might be everywhere - AOL

    www.aol.com/news/2016-11-25-astrophysicist...

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  7. Scientists find Earth-like planet that could be home to alien ...

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    Scientists have found a new Earth-like planet that could support alien life – just 40 light-years away.. The planet is a remarkable discovery in the search for habitable worlds: it is slightly ...

  8. Extraterrestrial Civilizations - Wikipedia

    en.wikipedia.org/wiki/Extraterrestrial_Civilizations

    The term "Earth-like world" is prominent, in that the assumption is made that any world where life could evolve would have certain similarities to Earth, such as temperature ranges and gravity sufficient for an atmosphere to exist. Asimov begins with the estimated number of stars in the galaxy, 300 billion. [1]

  9. How could we communicate with aliens? The science behind ...

    www.aol.com/news/could-communicate-aliens...

    Close Encounters of the Third Kind, Steven Spielberg's 1977 science fiction classic, is celebrating its 45th anniversary this week. The film follows the misadventures of Roy Neary — as played by ...