Comments on: Is the universe a graveyard? This theory suggests humanity may be alone https://lifeboat.com/blog/2022/09/is-the-universe-a-graveyard-this-theory-suggests-humanity-may-be-alone Safeguarding Humanity Sun, 25 Sep 2022 10:03:03 +0000 hourly 1 https://wordpress.org/?v=6.6.1 By: Dan Breeden https://lifeboat.com/blog/2022/09/is-the-universe-a-graveyard-this-theory-suggests-humanity-may-be-alone#comment-454528 Sun, 25 Sep 2022 10:03:03 +0000 https://lifeboat.com/blog/2022/09/is-the-universe-a-graveyard-this-theory-suggests-humanity-may-be-alone#comment-454528 Many civilizations may have destroyed themselves or are afraid to make contact or may be zenophobic

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