In a galaxy filled with a billion stars, in a universe filled with a hundred billion galaxies--are we alone? SETI--the Search for Extraterrestrial Intelligence. See more in Season 1, Episode 13, "Search For ET."

#TheUniverse

Subscribe for more from The Universe and other great The HISTORY Channel shows:
http://histv.co/SubscribeHistoryYT

Find out more about the show and watch full episodes on our site:
http://www.history.com/shows/

Check out exclusive The HISTORY Channel content:
History Newsletter - https://histv.co/newsletter
Website - https://histv.co/History
Facebook - https://histv.co/Facebook
Twitter - https://histv.co/Twitter

The HISTORY® Channel, a division of A+E Networks, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. The HISTORY® channel has been named the #1 U.S. TV network in buzz for seven consecutive years by YouGov BrandIndex, and a top favorite TV network by Beta Research Corporation. For a deeper dive, visit history.com or follow @history on Instagram, Twitter, Facebook, YouTube and TikTok. For additional press materials visit the A+E Networks Press Center at http://press.aenetworks.com.