What is SETI?

The search for extraterrestrial intelligence (SETI) is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring electromagnetic radiation for signs of transmissions from civilizations on other planets. read more

SETI is an acronym for the Search for Extraterrestrial Intelligence. It is the science of using telescopes, radio and optical, to search the skies for signals from alien civilizations. The idea of SETI began in 1959 with the publication of a paper in the British journal Nature by Giuseppe Cocconi and Philip Morrison. read more

The SETI League, Inc. is a membership-supported, nonprofit [501(c)(3)] educational and scientific organization, devoted to privatizing the electromagnetic Search for Extra-Terrestrial Intelligence. read more