+SETI, the **S**earch for **E**xtraterrestrial **I**ntelligence, is a scientific effort exploring the [Cosmos](/wiki/cosmos) for signs of [Life](/wiki/life) beyond Earth. It involves scanning for radio and optical signals, hoping to detect intelligent communication from distant civilizations.
+## See also
+- [Astrobiology](/wiki/astrobiology)
+- [Exoplanets](/wiki/exoplanets)
+- [Radio Astronomy](/wiki/radio_astronomy)