+**Extraterrestrial Intelligence** (ETI) refers to hypothetical intelligent life originating beyond [Earth](/wiki/earth). The ongoing [SETI](/wiki/seti) (Search for Extraterrestrial Intelligence) effort involves listening for signals from the cosmos, driven by humanity's profound quest to discover if [Life](/wiki/life) exists elsewhere in the vast [Universe](/wiki/universe).
+## See also
+- [Alien Life](/wiki/alien_life)
+- [Fermi Paradox](/wiki/fermi_paradox)
+- [Astrobiology](/wiki/astrobiology)
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