Alien Videos

Alien encounter stories, abduction accounts, and extraterrestrial evidence

Search for Extraterrestrial Intelligence (SETI)

concept

1 video from 1 channel

SETI is a scientific effort to detect signals from extraterrestrial civilizations using advanced radio and optical telescopes.

In a galaxy filled with a billion stars, in a universe filled with a hundred billion galaxies--are we alone? SETI--the…