the SETI Institute
 /ðə ˈseti ɪnstɪtjuːt/
  /ðə ˈseti ɪnstɪtuːt/
the Search for Extraterrestrial Intelligence Institute
- a US organization set up in 1984 to conduct research into whether life exists outside the Earth. It is a private, non-profit organization but often government organizations such as NASA give financial support to its projects.