intelligent civilizations

  • Search for Extraterrestrial life – Where Are They?

    By – Mario Livio -Mario Livio is an astrophysicist who worked for 24 years with the Hubble Space Telescope (NASA), and a best-selling author of popular science books- Alien life, if it exists, could be as simple as bacteria or more complex than humans—and there are optimal strategies for searching for...

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