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This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Problem of the lack of evidence for alien life despite its apparent likelihood This article is about the absence of clear evidence of extraterrestrial life. For a type of estimation problem, see Fermi problem. Enrico Fermi (Los Alamos 1945) The Fermi paradox is the discrepancy between ...
The science fiction genre, although not so named during the time, developed during the late 19th century. The expansion of the genre of extraterrestrials in fiction influenced the popular perception over the real-life topic, making people eager to jump to conclusions about the discovery of aliens. Science marched at a slower pace, some ...
The ultimate question is no longer 'Is there life beyond Earth?' but rather 'Will we ever find it?' The 15 most compelling scientific findings that suggest aliens are real Skip to main content
Life typically expands until it fills all available niches. [5] These contradictory facts form the basis for the Fermi paradox , of which the firstborn hypothesis is one proposed solution. Avi Loeb , an astrophysicist and cosmologist, has suggested that Earth may be a very early example of a life-bearing planet and that life-bearing planets may ...
It's possible that life can only form and thrive on Earth-like planets, which would mean our only chance of detecting aliens is on planets beyond our solar system.
2012: In the sci-fi video game Star Citizen, the zoo hypothesis is vaguely referenced in a lore point and is referred to as the Fair Chance Act. In the document, humans are generally forbidden from terraforming , mining, and inhabiting planets if the world is found to harbor lifeforms capable of developing intelligence.
What makes someone believe that aliens exist? Experts say there's more to it than many people think.
The dark forest hypothesis is distinct from the Berserker hypothesis in that under the former, many alien civilizations could still exist provided they keep silent. The former can be viewed as a special case of the latter, if the deadly probes are (e.g. due to resource scarcity) only sent to star systems that show signs of intelligent life. [8]