https://lifeboat.com/blog/2025/06/scientists-stunned-by-cosmic-wall-this-gigantic-33-billion-light-year-structure-just-redefined-the-size-of-our-observable-universe Safeguarding Humanity Tue, 24 Jun 2025 15:08:06 +0000 hourly 1 https://wordpress.org/?v=6.8.1